tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ad5c60d66016e544c51ed98635a74073f761f45d commit: 6f4c45cbcb00d649475a3099235e5b4fce569b4b [13664/13959] kunit: Add tests for csum_ipv6_magic and ip_fast_csum config: x86_64-randconfig-r111-20240119 (https://download.01.org/0day-ci/archive/20240120/202401200106.PMTn6g56-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240120/202401200106.PMTn6g56-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401200106.PMTn6g56-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) lib/checksum_kunit.c:442:33: sparse: got int lib/checksum_kunit.c:442:41: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:442:41: sparse: expected restricted __sum16 lib/checksum_kunit.c:442:41: sparse: got int lib/checksum_kunit.c:442:49: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:442:49: sparse: expected restricted __sum16 lib/checksum_kunit.c:442:49: sparse: got int lib/checksum_kunit.c:442:57: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:442:57: sparse: expected restricted __sum16 lib/checksum_kunit.c:442:57: sparse: got int lib/checksum_kunit.c:442:65: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:442:65: sparse: expected restricted __sum16 lib/checksum_kunit.c:442:65: sparse: got int lib/checksum_kunit.c:442:73: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:442:73: sparse: expected restricted __sum16 lib/checksum_kunit.c:442:73: sparse: got int lib/checksum_kunit.c:443:9: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:9: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:9: sparse: got int lib/checksum_kunit.c:443:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:17: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:17: sparse: got int lib/checksum_kunit.c:443:25: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:25: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:25: sparse: got int lib/checksum_kunit.c:443:33: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:33: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:33: sparse: got int lib/checksum_kunit.c:443:41: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:41: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:41: sparse: got int lib/checksum_kunit.c:443:49: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:49: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:49: sparse: got int lib/checksum_kunit.c:443:57: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:57: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:57: sparse: got int lib/checksum_kunit.c:443:65: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:65: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:65: sparse: got int lib/checksum_kunit.c:443:73: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:443:73: sparse: expected restricted __sum16 lib/checksum_kunit.c:443:73: sparse: got int lib/checksum_kunit.c:444:9: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:9: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:9: sparse: got int lib/checksum_kunit.c:444:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:17: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:17: sparse: got int lib/checksum_kunit.c:444:25: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:25: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:25: sparse: got int lib/checksum_kunit.c:444:33: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:33: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:33: sparse: got int lib/checksum_kunit.c:444:41: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:41: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:41: sparse: got int lib/checksum_kunit.c:444:49: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:49: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:49: sparse: got int lib/checksum_kunit.c:444:57: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:57: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:57: sparse: got int lib/checksum_kunit.c:444:65: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:65: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:65: sparse: got int lib/checksum_kunit.c:444:73: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:444:73: sparse: expected restricted __sum16 lib/checksum_kunit.c:444:73: sparse: got int lib/checksum_kunit.c:445:9: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:9: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:9: sparse: got int lib/checksum_kunit.c:445:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:17: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:17: sparse: got int lib/checksum_kunit.c:445:25: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:25: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:25: sparse: got int lib/checksum_kunit.c:445:33: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:33: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:33: sparse: got int lib/checksum_kunit.c:445:41: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:41: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:41: sparse: got int lib/checksum_kunit.c:445:49: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:49: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:49: sparse: got int lib/checksum_kunit.c:445:57: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:57: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:57: sparse: got int lib/checksum_kunit.c:445:65: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:65: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:65: sparse: got int lib/checksum_kunit.c:445:73: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:445:73: sparse: expected restricted __sum16 lib/checksum_kunit.c:445:73: sparse: got int lib/checksum_kunit.c:446:9: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __sum16 @@ got int @@ lib/checksum_kunit.c:446:9: sparse: expected restricted __sum16 lib/checksum_kunit.c:446:9: sparse: got int >> lib/checksum_kunit.c:616:17: sparse: sparse: incorrect type in argument 5 (different base types) @@ expected restricted __wsum [usertype] sum @@ got unsigned int [assigned] csum @@ lib/checksum_kunit.c:616:17: sparse: expected restricted __wsum [usertype] sum lib/checksum_kunit.c:616:17: sparse: got unsigned int [assigned] csum >> lib/checksum_kunit.c:616:17: sparse: sparse: incorrect type in argument 5 (different base types) @@ expected restricted __wsum [usertype] sum @@ got unsigned int [assigned] csum @@ lib/checksum_kunit.c:616:17: sparse: expected restricted __wsum [usertype] sum lib/checksum_kunit.c:616:17: sparse: got unsigned int [assigned] csum vim +616 lib/checksum_kunit.c 243 244 static const __sum16 expected_fast_csum[] = { 245 0xda83, 0x45da, 0x4f46, 0x4e4f, 0x34e, 0xe902, 0xa5e9, 0x87a5, 0x7187, 246 0x5671, 0xf556, 0x6df5, 0x816d, 0x8f81, 0xbb8f, 0xfbba, 0x5afb, 0xbe5a, 247 0xedbe, 0xabee, 0x6aac, 0xe6b, 0xea0d, 0x67ea, 0x7e68, 0x8a7e, 0x6f8a, 248 0x3a70, 0x9f3a, 0xe89e, 0x75e8, 0x7976, 0xfa79, 0x2cfa, 0x3c2c, 0x463c, 249 0x7146, 0x7a71, 0x547a, 0xfd53, 0x99fc, 0xb699, 0x92b6, 0xdb91, 0xe8da, 250 0x5fe9, 0x1e60, 0xae1d, 0x39ae, 0xf439, 0xa1f4, 0xdda1, 0xede, 0x790f, 251 0x579, 0x1206, 0x9012, 0x2490, 0xd224, 0x5cd2, 0xa65d, 0xca7, 0x220d, 252 0xf922, 0xbf9, 0x920b, 0x1b92, 0x361c, 0x2e36, 0x4d2e, 0x24d, 0x2, 253 0xcfff, 0x90cf, 0xa591, 0x93a5, 0x7993, 0x9579, 0xc894, 0x50c8, 0x5f50, 254 0xd55e, 0xcad5, 0xf3c9, 0x8f4, 0x4409, 0x5043, 0x5b50, 0x55b, 0x2205, 255 0x1e22, 0x801e, 0x3780, 0xe137, 0x7ee0, 0xf67d, 0x3cf6, 0xa53c, 0x2ea5, 256 0x472e, 0x5147, 0xcf51, 0x1bcf, 0x951c, 0x1e95, 0xc71e, 0xe4c7, 0xc3e4, 257 0x3dc3, 0xee3d, 0xa4ed, 0xf9a4, 0xcbf8, 0x75cb, 0xb375, 0x50b4, 0x3551, 258 0xf835, 0x19f8, 0x8c1a, 0x538c, 0xad52, 0xa3ac, 0xb0a3, 0x5cb0, 0x6c5c, 259 0x5b6c, 0xc05a, 0x92c0, 0x4792, 0xbe47, 0x53be, 0x1554, 0x5715, 0x4b57, 260 0xe54a, 0x20e5, 0x21, 0xd500, 0xa1d4, 0xa8a1, 0x57a9, 0xca57, 0x5ca, 261 0x1c06, 0x4f1c, 0xe24e, 0xd9e2, 0xf0d9, 0x4af1, 0x474b, 0x8146, 0xe81, 262 0xfd0e, 0x84fd, 0x7c85, 0xba7c, 0x17ba, 0x4a17, 0x964a, 0xf595, 0xff5, 263 0x5310, 0x3253, 0x6432, 0x4263, 0x2242, 0xe121, 0x32e1, 0xf632, 0xc5f5, 264 0x21c6, 0x7d22, 0x8e7c, 0x418e, 0x5641, 0x3156, 0x7c31, 0x737c, 0x373, 265 0x2503, 0xc22a, 0x3c2, 0x4a04, 0x8549, 0x5285, 0xa352, 0xe8a3, 0x6fe8, 266 0x1a6f, 0x211a, 0xe021, 0x38e0, 0x7638, 0xf575, 0x9df5, 0x169e, 0xf116, 267 0x23f1, 0xcd23, 0xece, 0x660f, 0x4866, 0x6a48, 0x716a, 0xee71, 0xa2ee, 268 0xb8a2, 0x61b9, 0xa361, 0xf7a2, 0x26f7, 0x1127, 0x6611, 0xe065, 0x36e0, 269 0x1837, 0x3018, 0x1c30, 0x721b, 0x3e71, 0xe43d, 0x99e4, 0x9e9a, 0xb79d, 270 0xa9b7, 0xcaa, 0xeb0c, 0x4eb, 0x1305, 0x8813, 0xb687, 0xa9b6, 0xfba9, 271 0xd7fb, 0xccd8, 0x2ecd, 0x652f, 0xae65, 0x3fae, 0x3a40, 0x563a, 0x7556, 272 0x2776, 0x1228, 0xef12, 0xf9ee, 0xcef9, 0x56cf, 0xa956, 0x24a9, 0xba24, 273 0x5fba, 0x665f, 0xf465, 0x8ff4, 0x6d8f, 0x346d, 0x5f34, 0x385f, 0xd137, 274 0xb8d0, 0xacb8, 0x55ac, 0x7455, 0xe874, 0x89e8, 0xd189, 0xa0d1, 0xb2a0, 275 0xb8b2, 0x36b8, 0x5636, 0xd355, 0x8d3, 0x1908, 0x2118, 0xc21, 0x990c, 276 0x8b99, 0x158c, 0x7815, 0x9e78, 0x6f9e, 0x4470, 0x1d44, 0x341d, 0x2634, 277 0x3f26, 0x793e, 0xc79, 0xcc0b, 0x26cc, 0xd126, 0x1fd1, 0xb41f, 0xb6b4, 278 0x22b7, 0xa122, 0xa1, 0x7f01, 0x837e, 0x3b83, 0xaf3b, 0x6fae, 0x916f, 279 0xb490, 0xffb3, 0xceff, 0x50cf, 0x7550, 0x7275, 0x1272, 0x2613, 0xaa26, 280 0xd5aa, 0x7d5, 0x9607, 0x96, 0xb100, 0xf8b0, 0x4bf8, 0xdd4c, 0xeddd, 281 0x98ed, 0x2599, 0x9325, 0xeb92, 0x8feb, 0xcc8f, 0x2acd, 0x392b, 0x3b39, 282 0xcb3b, 0x6acb, 0xd46a, 0xb8d4, 0x6ab8, 0x106a, 0x2f10, 0x892f, 0x789, 283 0xc806, 0x45c8, 0x7445, 0x3c74, 0x3a3c, 0xcf39, 0xd7ce, 0x58d8, 0x6e58, 284 0x336e, 0x1034, 0xee10, 0xe9ed, 0xc2e9, 0x3fc2, 0xd53e, 0xd2d4, 0xead2, 285 0x8fea, 0x2190, 0x1162, 0xbe11, 0x8cbe, 0x6d8c, 0xfb6c, 0x6dfb, 0xd36e, 286 0x3ad3, 0xf3a, 0x870e, 0xc287, 0x53c3, 0xc54, 0x5b0c, 0x7d5a, 0x797d, 287 0xec79, 0x5dec, 0x4d5e, 0x184e, 0xd618, 0x60d6, 0xb360, 0x98b3, 0xf298, 288 0xb1f2, 0x69b1, 0xf969, 0xef9, 0xab0e, 0x21ab, 0xe321, 0x24e3, 0x8224, 289 0x5481, 0x5954, 0x7a59, 0xff7a, 0x7dff, 0x1a7d, 0xa51a, 0x46a5, 0x6b47, 290 0xe6b, 0x830e, 0xa083, 0xff9f, 0xd0ff, 0xffd0, 0xe6ff, 0x7de7, 0xc67d, 291 0xd0c6, 0x61d1, 0x3a62, 0xc3b, 0x150c, 0x1715, 0x4517, 0x5345, 0x3954, 292 0xdd39, 0xdadd, 0x32db, 0x6a33, 0xd169, 0x86d1, 0xb687, 0x3fb6, 0x883f, 293 0xa487, 0x39a4, 0x2139, 0xbe20, 0xffbe, 0xedfe, 0x8ded, 0x368e, 0xc335, 294 0x51c3, 0x9851, 0xf297, 0xd6f2, 0xb9d6, 0x95ba, 0x2096, 0xea1f, 0x76e9, 295 0x4e76, 0xe04d, 0xd0df, 0x80d0, 0xa280, 0xfca2, 0x75fc, 0xef75, 0x32ef, 296 0x6833, 0xdf68, 0xc4df, 0x76c4, 0xb77, 0xb10a, 0xbfb1, 0x58bf, 0x5258, 297 0x4d52, 0x6c4d, 0x7e6c, 0xb67e, 0xccb5, 0x8ccc, 0xbe8c, 0xc8bd, 0x9ac8, 298 0xa99b, 0x52a9, 0x2f53, 0xc30, 0x3e0c, 0xb83d, 0x83b7, 0x5383, 0x7e53, 299 0x4f7e, 0xe24e, 0xb3e1, 0x8db3, 0x618e, 0xc861, 0xfcc8, 0x34fc, 0x9b35, 300 0xaa9b, 0xb1aa, 0x5eb1, 0x395e, 0x8639, 0xd486, 0x8bd4, 0x558b, 0x2156, 301 0xf721, 0x4ef6, 0x14f, 0x7301, 0xdd72, 0x49de, 0x894a, 0x9889, 0x8898, 302 0x7788, 0x7b77, 0x637b, 0xb963, 0xabb9, 0x7cab, 0xc87b, 0x21c8, 0xcb21, 303 0xdfca, 0xbfdf, 0xf2bf, 0x6af2, 0x626b, 0xb261, 0x3cb2, 0xc63c, 0xc9c6, 304 0xc9c9, 0xb4c9, 0xf9b4, 0x91f9, 0x4091, 0x3a40, 0xcc39, 0xd1cb, 0x7ed1, 305 0x537f, 0x6753, 0xa167, 0xba49, 0x88ba, 0x7789, 0x3877, 0xf037, 0xd3ef, 306 0xb5d4, 0x55b6, 0xa555, 0xeca4, 0xa1ec, 0xb6a2, 0x7b7, 0x9507, 0xfd94, 307 0x82fd, 0x5c83, 0x765c, 0x9676, 0x3f97, 0xda3f, 0x6fda, 0x646f, 0x3064, 308 0x5e30, 0x655e, 0x6465, 0xcb64, 0xcdca, 0x4ccd, 0x3f4c, 0x243f, 0x6f24, 309 0x656f, 0x6065, 0x3560, 0x3b36, 0xac3b, 0x4aac, 0x714a, 0x7e71, 0xda7e, 310 0x7fda, 0xda7f, 0x6fda, 0xff6f, 0xc6ff, 0xedc6, 0xd4ed, 0x70d5, 0xeb70, 311 0xa3eb, 0x80a3, 0xca80, 0x3fcb, 0x2540, 0xf825, 0x7ef8, 0xf87e, 0x73f8, 312 0xb474, 0xb4b4, 0x92b5, 0x9293, 0x93, 0x3500, 0x7134, 0x9071, 0xfa8f, 313 0x51fa, 0x1452, 0xba13, 0x7ab9, 0x957a, 0x8a95, 0x6e8a, 0x6d6e, 0x7c6d, 314 0x447c, 0x9744, 0x4597, 0x8945, 0xef88, 0x8fee, 0x3190, 0x4831, 0x8447, 315 0xa183, 0x1da1, 0xd41d, 0x2dd4, 0x4f2e, 0xc94e, 0xcbc9, 0xc9cb, 0x9ec9, 316 0x319e, 0xd531, 0x20d5, 0x4021, 0xb23f, 0x29b2, 0xd828, 0xecd8, 0x5ded, 317 0xfc5d, 0x4dfc, 0xd24d, 0x6bd2, 0x5f6b, 0xb35e, 0x7fb3, 0xee7e, 0x56ee, 318 0xa657, 0x68a6, 0x8768, 0x7787, 0xb077, 0x4cb1, 0x764c, 0xb175, 0x7b1, 319 0x3d07, 0x603d, 0x3560, 0x3e35, 0xb03d, 0xd6b0, 0xc8d6, 0xd8c8, 0x8bd8, 320 0x3e8c, 0x303f, 0xd530, 0xf1d4, 0x42f1, 0xca42, 0xddca, 0x41dd, 0x3141, 321 0x132, 0xe901, 0x8e9, 0xbe09, 0xe0bd, 0x2ce0, 0x862d, 0x3986, 0x9139, 322 0x6d91, 0x6a6d, 0x8d6a, 0x1b8d, 0xac1b, 0xedab, 0x54ed, 0xc054, 0xcebf, 323 0xc1ce, 0x5c2, 0x3805, 0x6038, 0x5960, 0xd359, 0xdd3, 0xbe0d, 0xafbd, 324 0x6daf, 0x206d, 0x2c20, 0x862c, 0x8e86, 0xec8d, 0xa2ec, 0xa3a2, 0x51a3, 325 0x8051, 0xfd7f, 0x91fd, 0xa292, 0xaf14, 0xeeae, 0x59ef, 0x535a, 0x8653, 326 0x3986, 0x9539, 0xb895, 0xa0b8, 0x26a0, 0x2227, 0xc022, 0x77c0, 0xad77, 327 0x46ad, 0xaa46, 0x60aa, 0x8560, 0x4785, 0xd747, 0x45d7, 0x2346, 0x5f23, 328 0x25f, 0x1d02, 0x71d, 0x8206, 0xc82, 0x180c, 0x3018, 0x4b30, 0x4b, 329 0x3001, 0x1230, 0x2d12, 0x8c2d, 0x148d, 0x4015, 0x5f3f, 0x3d5f, 0x6b3d, 330 0x396b, 0x473a, 0xf746, 0x44f7, 0x8945, 0x3489, 0xcb34, 0x84ca, 0xd984, 331 0xf0d9, 0xbcf0, 0x63bd, 0x3264, 0xf332, 0x45f3, 0x7346, 0x5673, 0xb056, 332 0xd3b0, 0x4ad4, 0x184b, 0x7d18, 0x6c7d, 0xbb6c, 0xfeba, 0xe0fe, 0x10e1, 333 0x5410, 0x2954, 0x9f28, 0x3a9f, 0x5a3a, 0xdb59, 0xbdc, 0xb40b, 0x1ab4, 334 0x131b, 0x5d12, 0x6d5c, 0xe16c, 0xb0e0, 0x89b0, 0xba88, 0xbb, 0x3c01, 335 0xe13b, 0x6fe1, 0x446f, 0xa344, 0x81a3, 0xfe81, 0xc7fd, 0x38c8, 0xb38, 336 0x1a0b, 0x6d19, 0xf36c, 0x47f3, 0x6d48, 0xb76d, 0xd3b7, 0xd8d2, 0x52d9, 337 0x4b53, 0xa54a, 0x34a5, 0xc534, 0x9bc4, 0xed9b, 0xbeed, 0x3ebe, 0x233e, 338 0x9f22, 0x4a9f, 0x774b, 0x4577, 0xa545, 0x64a5, 0xb65, 0x870b, 0x487, 339 0x9204, 0x5f91, 0xd55f, 0x35d5, 0x1a35, 0x71a, 0x7a07, 0x4e7a, 0xfc4e, 340 0x1efc, 0x481f, 0x7448, 0xde74, 0xa7dd, 0x1ea7, 0xaa1e, 0xcfaa, 0xfbcf, 341 0xedfb, 0x6eee, 0x386f, 0x4538, 0x6e45, 0xd96d, 0x11d9, 0x7912, 0x4b79, 342 0x494b, 0x6049, 0xac5f, 0x65ac, 0x1366, 0x5913, 0xe458, 0x7ae4, 0x387a, 343 0x3c38, 0xb03c, 0x76b0, 0x9376, 0xe193, 0x42e1, 0x7742, 0x6476, 0x3564, 344 0x3c35, 0x6a3c, 0xcc69, 0x94cc, 0x5d95, 0xe5e, 0xee0d, 0x4ced, 0xce4c, 345 0x52ce, 0xaa52, 0xdaaa, 0xe4da, 0x1de5, 0x4530, 0x5445, 0x3954, 0xb639, 346 0x81b6, 0x7381, 0x1574, 0xc215, 0x10c2, 0x3f10, 0x6b3f, 0xe76b, 0x7be7, 347 0xbc7b, 0xf7bb, 0x41f7, 0xcc41, 0x38cc, 0x4239, 0xa942, 0x4a9, 0xc504, 348 0x7cc4, 0x437c, 0x6743, 0xea67, 0x8dea, 0xe88d, 0xd8e8, 0xdcd8, 0x17dd, 349 0x5718, 0x958, 0xa609, 0x41a5, 0x5842, 0x159, 0x9f01, 0x269f, 0x5a26, 350 0x405a, 0xc340, 0xb4c3, 0xd4b4, 0xf4d3, 0xf1f4, 0x39f2, 0xe439, 0x67e4, 351 0x4168, 0xa441, 0xdda3, 0xdedd, 0x9df, 0xab0a, 0xa5ab, 0x9a6, 0xba09, 352 0x9ab9, 0xad9a, 0x5ae, 0xe205, 0xece2, 0xecec, 0x14ed, 0xd614, 0x6bd5, 353 0x916c, 0x3391, 0x6f33, 0x206f, 0x8020, 0x780, 0x7207, 0x2472, 0x8a23, 354 0xb689, 0x3ab6, 0xf739, 0x97f6, 0xb097, 0xa4b0, 0xe6a4, 0x88e6, 0x2789, 355 0xb28, 0x350b, 0x1f35, 0x431e, 0x1043, 0xc30f, 0x79c3, 0x379, 0x5703, 356 0x3256, 0x4732, 0x7247, 0x9d72, 0x489d, 0xd348, 0xa4d3, 0x7ca4, 0xbf7b, 357 0x45c0, 0x7b45, 0x337b, 0x4034, 0x843f, 0xd083, 0x35d0, 0x6335, 0x4d63, 358 0xe14c, 0xcce0, 0xfecc, 0x35ff, 0x5636, 0xf856, 0xeef8, 0x2def, 0xfc2d, 359 0x4fc, 0x6e04, 0xb66d, 0x78b6, 0xbb78, 0x3dbb, 0x9a3d, 0x839a, 0x9283, 360 0x593, 0xd504, 0x23d5, 0x5424, 0xd054, 0x61d0, 0xdb61, 0x17db, 0x1f18, 361 0x381f, 0x9e37, 0x679e, 0x1d68, 0x381d, 0x8038, 0x917f, 0x491, 0xbb04, 362 0x23bb, 0x4124, 0xd41, 0xa30c, 0x8ba3, 0x8b8b, 0xc68b, 0xd2c6, 0xebd2, 363 0x93eb, 0xbd93, 0x99bd, 0x1a99, 0xea19, 0x58ea, 0xcf58, 0x73cf, 0x1073, 364 0x9e10, 0x139e, 0xea13, 0xcde9, 0x3ecd, 0x883f, 0xf89, 0x180f, 0x2a18, 365 0x212a, 0xce20, 0x73ce, 0xf373, 0x60f3, 0xad60, 0x4093, 0x8e40, 0xb98e, 366 0xbfb9, 0xf1bf, 0x8bf1, 0x5e8c, 0xe95e, 0x14e9, 0x4e14, 0x1c4e, 0x7f1c, 367 0xe77e, 0x6fe7, 0xf26f, 0x13f2, 0x8b13, 0xda8a, 0x5fda, 0xea5f, 0x4eea, 368 0xa84f, 0x88a8, 0x1f88, 0x2820, 0x9728, 0x5a97, 0x3f5b, 0xb23f, 0x70b2, 369 0x2c70, 0x232d, 0xf623, 0x4f6, 0x905, 0x7509, 0xd675, 0x28d7, 0x9428, 370 0x3794, 0xf036, 0x2bf0, 0xba2c, 0xedb9, 0xd7ed, 0x59d8, 0xed59, 0x4ed, 371 0xe304, 0x18e3, 0x5c19, 0x3d5c, 0x753d, 0x6d75, 0x956d, 0x7f95, 0xc47f, 372 0x83c4, 0xa84, 0x2e0a, 0x5f2e, 0xb95f, 0x77b9, 0x6d78, 0xf46d, 0x1bf4, 373 0xed1b, 0xd6ed, 0xe0d6, 0x5e1, 0x3905, 0x5638, 0xa355, 0x99a2, 0xbe99, 374 0xb4bd, 0x85b4, 0x2e86, 0x542e, 0x6654, 0xd765, 0x73d7, 0x3a74, 0x383a, 375 0x2638, 0x7826, 0x7677, 0x9a76, 0x7e99, 0x2e7e, 0xea2d, 0xa6ea, 0x8a7, 376 0x109, 0x3300, 0xad32, 0x5fad, 0x465f, 0x2f46, 0xc62f, 0xd4c5, 0xad5, 377 0xcb0a, 0x4cb, 0xb004, 0x7baf, 0xe47b, 0x92e4, 0x8e92, 0x638e, 0x1763, 378 0xc17, 0xf20b, 0x1ff2, 0x8920, 0x5889, 0xcb58, 0xf8cb, 0xcaf8, 0x84cb, 379 0x9f84, 0x8a9f, 0x918a, 0x4991, 0x8249, 0xff81, 0x46ff, 0x5046, 0x5f50, 380 0x725f, 0xf772, 0x8ef7, 0xe08f, 0xc1e0, 0x1fc2, 0x9e1f, 0x8b9d, 0x108b, 381 0x411, 0x2b04, 0xb02a, 0x1fb0, 0x1020, 0x7a0f, 0x587a, 0x8958, 0xb188, 382 0xb1b1, 0x49b2, 0xb949, 0x7ab9, 0x917a, 0xfc91, 0xe6fc, 0x47e7, 0xbc47, 383 0x8fbb, 0xea8e, 0x34ea, 0x2635, 0x1726, 0x9616, 0xc196, 0xa6c1, 0xf3a6, 384 0x11f3, 0x4811, 0x3e48, 0xeb3e, 0xf7ea, 0x1bf8, 0xdb1c, 0x8adb, 0xe18a, 385 0x42e1, 0x9d42, 0x5d9c, 0x6e5d, 0x286e, 0x4928, 0x9a49, 0xb09c, 0xa6b0, 386 0x2a7, 0xe702, 0xf5e6, 0x9af5, 0xf9b, 0x810f, 0x8080, 0x180, 0x1702, 387 0x5117, 0xa650, 0x11a6, 0x1011, 0x550f, 0xd554, 0xbdd5, 0x6bbe, 0xc66b, 388 0xfc7, 0x5510, 0x5555, 0x7655, 0x177, 0x2b02, 0x6f2a, 0xb70, 0x9f0b, 389 0xcf9e, 0xf3cf, 0x3ff4, 0xcb40, 0x8ecb, 0x768e, 0x5277, 0x8652, 0x9186, 390 0x9991, 0x5099, 0xd350, 0x93d3, 0x6d94, 0xe6d, 0x530e, 0x3153, 0xa531, 391 0x64a5, 0x7964, 0x7c79, 0x467c, 0x1746, 0x3017, 0x3730, 0x538, 0x5, 392 0x1e00, 0x5b1e, 0x955a, 0xae95, 0x3eaf, 0xff3e, 0xf8ff, 0xb2f9, 0xa1b3, 393 0xb2a1, 0x5b2, 0xad05, 0x7cac, 0x2d7c, 0xd32c, 0x80d2, 0x7280, 0x8d72, 394 0x1b8e, 0x831b, 0xac82, 0xfdac, 0xa7fd, 0x15a8, 0xd614, 0xe0d5, 0x7be0, 395 0xb37b, 0x61b3, 0x9661, 0x9d95, 0xc79d, 0x83c7, 0xd883, 0xead7, 0xceb, 396 0xf60c, 0xa9f5, 0x19a9, 0xa019, 0x8f9f, 0xd48f, 0x3ad5, 0x853a, 0x985, 397 0x5309, 0x6f52, 0x1370, 0x6e13, 0xa96d, 0x98a9, 0x5198, 0x9f51, 0xb69f, 398 0xa1b6, 0x2ea1, 0x672e, 0x2067, 0x6520, 0xaf65, 0x6eaf, 0x7e6f, 0xee7e, 399 0x17ef, 0xa917, 0xcea8, 0x9ace, 0xff99, 0x5dff, 0xdf5d, 0x38df, 0xa39, 400 0x1c0b, 0xe01b, 0x46e0, 0xcb46, 0x90cb, 0xba90, 0x4bb, 0x9104, 0x9d90, 401 0xc89c, 0xf6c8, 0x6cf6, 0x886c, 0x1789, 0xbd17, 0x70bc, 0x7e71, 0x17e, 402 0x1f01, 0xa01f, 0xbaa0, 0x14bb, 0xfc14, 0x7afb, 0xa07a, 0x3da0, 0xbf3d, 403 0x48bf, 0x8c48, 0x968b, 0x9d96, 0xfd9d, 0x96fd, 0x9796, 0x6b97, 0xd16b, 404 0xf4d1, 0x3bf4, 0x253c, 0x9125, 0x6691, 0xc166, 0x34c1, 0x5735, 0x1a57, 405 0xdc19, 0x77db, 0x8577, 0x4a85, 0x824a, 0x9182, 0x7f91, 0xfd7f, 0xb4c3, 406 0xb5b4, 0xb3b5, 0x7eb3, 0x617e, 0x4e61, 0xa4f, 0x530a, 0x3f52, 0xa33e, 407 0x34a3, 0x9234, 0xf091, 0xf4f0, 0x1bf5, 0x311b, 0x9631, 0x6a96, 0x386b, 408 0x1d39, 0xe91d, 0xe8e9, 0x69e8, 0x426a, 0xee42, 0x89ee, 0x368a, 0x2837, 409 0x7428, 0x5974, 0x6159, 0x1d62, 0x7b1d, 0xf77a, 0x7bf7, 0x6b7c, 0x696c, 410 0xf969, 0x4cf9, 0x714c, 0x4e71, 0x6b4e, 0x256c, 0x6e25, 0xe96d, 0x94e9, 411 0x8f94, 0x3e8f, 0x343e, 0x4634, 0xb646, 0x97b5, 0x8997, 0xe8a, 0x900e, 412 0x8090, 0xfd80, 0xa0fd, 0x16a1, 0xf416, 0xebf4, 0x95ec, 0x1196, 0x8911, 413 0x3d89, 0xda3c, 0x9fd9, 0xd79f, 0x4bd7, 0x214c, 0x3021, 0x4f30, 0x994e, 414 0x5c99, 0x6f5d, 0x326f, 0xab31, 0x6aab, 0xe969, 0x90e9, 0x1190, 0xff10, 415 0xa2fe, 0xe0a2, 0x66e1, 0x4067, 0x9e3f, 0x2d9e, 0x712d, 0x8170, 0xd180, 416 0xffd1, 0x25ff, 0x3826, 0x2538, 0x5f24, 0xc45e, 0x1cc4, 0xdf1c, 0x93df, 417 0xc793, 0x80c7, 0x2380, 0xd223, 0x7ed2, 0xfc7e, 0x22fd, 0x7422, 0x1474, 418 0xb714, 0x7db6, 0x857d, 0xa85, 0xa60a, 0x88a6, 0x4289, 0x7842, 0xc278, 419 0xf7c2, 0xcdf7, 0x84cd, 0xae84, 0x8cae, 0xb98c, 0x1aba, 0x4d1a, 0x884c, 420 0x4688, 0xcc46, 0xd8cb, 0x2bd9, 0xbe2b, 0xa2be, 0x72a2, 0xf772, 0xd2f6, 421 0x75d2, 0xc075, 0xa3c0, 0x63a3, 0xae63, 0x8fae, 0x2a90, 0x5f2a, 0xef5f, 422 0x5cef, 0xa05c, 0x89a0, 0x5e89, 0x6b5e, 0x736b, 0x773, 0x9d07, 0xe99c, 423 0x27ea, 0x2028, 0xc20, 0x980b, 0x4797, 0x2848, 0x9828, 0xc197, 0x48c2, 424 0x2449, 0x7024, 0x570, 0x3e05, 0xd3e, 0xf60c, 0xbbf5, 0x69bb, 0x3f6a, 425 0x740, 0xf006, 0xe0ef, 0xbbe0, 0xadbb, 0x56ad, 0xcf56, 0xbfce, 0xa9bf, 426 0x205b, 0x6920, 0xae69, 0x50ae, 0x2050, 0xf01f, 0x27f0, 0x9427, 0x8993, 427 0x8689, 0x4087, 0x6e40, 0xb16e, 0xa1b1, 0xe8a1, 0x87e8, 0x6f88, 0xfe6f, 428 0x4cfe, 0xe94d, 0xd5e9, 0x47d6, 0x3148, 0x5f31, 0xc35f, 0x13c4, 0xa413, 429 0x5a5, 0x2405, 0xc223, 0x66c2, 0x3667, 0x5e37, 0x5f5e, 0x2f5f, 0x8c2f, 430 0xe48c, 0xd0e4, 0x4d1, 0xd104, 0xe4d0, 0xcee4, 0xfcf, 0x480f, 0xa447, 431 0x5ea4, 0xff5e, 0xbefe, 0x8dbe, 0x1d8e, 0x411d, 0x1841, 0x6918, 0x5469, 432 0x1155, 0xc611, 0xaac6, 0x37ab, 0x2f37, 0xca2e, 0x87ca, 0xbd87, 0xabbd, 433 0xb3ab, 0xcb4, 0xce0c, 0xfccd, 0xa5fd, 0x72a5, 0xf072, 0x83f0, 0xfe83, 434 0x97fd, 0xc997, 0xb0c9, 0xadb0, 0xe6ac, 0x88e6, 0x1088, 0xbe10, 0x16be, 435 0xa916, 0xa3a8, 0x46a3, 0x5447, 0xe953, 0x84e8, 0x2085, 0xa11f, 0xfa1, 436 0xdd0f, 0xbedc, 0x5abe, 0x805a, 0xc97f, 0x6dc9, 0x826d, 0x4a82, 0x934a, 437 0x5293, 0xd852, 0xd3d8, 0xadd3, 0xf4ad, 0xf3f4, 0xfcf3, 0xfefc, 0xcafe, 438 0xb7ca, 0x3cb8, 0xa13c, 0x18a1, 0x1418, 0xea13, 0x91ea, 0xf891, 0x53f8, 439 0xa254, 0xe9a2, 0x87ea, 0x4188, 0x1c41, 0xdc1b, 0xf5db, 0xcaf5, 0x45ca, 440 0x6d45, 0x396d, 0xde39, 0x90dd, 0x1e91, 0x1e, 0x7b00, 0x6a7b, 0xa46a, 441 0xc9a3, 0x9bc9, 0x389b, 0x1139, 0x5211, 0x1f52, 0xeb1f, 0xabeb, 0x48ab, 442 0x9348, 0xb392, 0x17b3, 0x1618, 0x5b16, 0x175b, 0xdc17, 0xdedb, 0x1cdf, 443 0xeb1c, 0xd1ea, 0x4ad2, 0xd4b, 0xc20c, 0x24c2, 0x7b25, 0x137b, 0x8b13, 444 0x618b, 0xa061, 0xff9f, 0xfffe, 0x72ff, 0xf572, 0xe2f5, 0xcfe2, 0xd2cf, > 445 0x75d3, 0x6a76, 0xc469, 0x1ec4, 0xfc1d, 0x59fb, 0x455a, 0x7a45, 0xa479, 446 0xb7a4 447 }; 448 449 static u8 tmp_buf[TEST_BUFLEN]; 450 451 #define full_csum(buff, len, sum) csum_fold(csum_partial(buff, len, sum)) 452 453 #define CHECK_EQ(lhs, rhs) KUNIT_ASSERT_EQ(test, (__force u64)lhs, (__force u64)rhs) 454 455 static __sum16 to_sum16(u16 x) 456 { 457 return (__force __sum16)le16_to_cpu((__force __le16)x); 458 } 459 460 /* This function swaps the bytes inside each half of a __wsum */ 461 static __wsum to_wsum(u32 x) 462 { 463 u16 hi = le16_to_cpu((__force __le16)(x >> 16)); 464 u16 lo = le16_to_cpu((__force __le16)x); 465 466 return (__force __wsum)((hi << 16) | lo); 467 } 468 469 static void assert_setup_correct(struct kunit *test) 470 { 471 CHECK_EQ(sizeof(random_buf) / sizeof(random_buf[0]), MAX_LEN); 472 CHECK_EQ(sizeof(expected_results) / sizeof(expected_results[0]), 473 MAX_LEN); 474 CHECK_EQ(sizeof(init_sums_no_overflow) / 475 sizeof(init_sums_no_overflow[0]), 476 MAX_LEN); 477 } 478 479 /* 480 * Test with randomized input (pre determined random with known results). 481 */ 482 static void test_csum_fixed_random_inputs(struct kunit *test) 483 { 484 int len, align; 485 __wsum sum; 486 __sum16 result, expec; 487 488 assert_setup_correct(test); 489 for (align = 0; align < TEST_BUFLEN; ++align) { 490 memcpy(&tmp_buf[align], random_buf, 491 min(MAX_LEN, TEST_BUFLEN - align)); 492 for (len = 0; len < MAX_LEN && (align + len) < TEST_BUFLEN; 493 ++len) { 494 /* 495 * Test the precomputed random input. 496 */ 497 sum = to_wsum(random_init_sum); 498 result = full_csum(&tmp_buf[align], len, sum); 499 expec = to_sum16(expected_results[len]); 500 CHECK_EQ(result, expec); 501 } 502 } 503 } 504 505 /* 506 * All ones input test. If there are any missing carry operations, it fails. 507 */ 508 static void test_csum_all_carry_inputs(struct kunit *test) 509 { 510 int len, align; 511 __wsum sum; 512 __sum16 result, expec; 513 514 assert_setup_correct(test); 515 memset(tmp_buf, 0xff, TEST_BUFLEN); 516 for (align = 0; align < TEST_BUFLEN; ++align) { 517 for (len = 0; len < MAX_LEN && (align + len) < TEST_BUFLEN; 518 ++len) { 519 /* 520 * All carries from input and initial sum. 521 */ 522 sum = to_wsum(0xffffffff); 523 result = full_csum(&tmp_buf[align], len, sum); 524 expec = to_sum16((len & 1) ? 0xff00 : 0); 525 CHECK_EQ(result, expec); 526 527 /* 528 * All carries from input. 529 */ 530 sum = 0; 531 result = full_csum(&tmp_buf[align], len, sum); 532 if (len & 1) 533 expec = to_sum16(0xff00); 534 else if (len) 535 expec = 0; 536 else 537 expec = to_sum16(0xffff); 538 CHECK_EQ(result, expec); 539 } 540 } 541 } 542 543 /* 544 * Test with input that alone doesn't cause any carries. By selecting the 545 * maximum initial sum, this allows us to test that there are no carries 546 * where there shouldn't be. 547 */ 548 static void test_csum_no_carry_inputs(struct kunit *test) 549 { 550 int len, align; 551 __wsum sum; 552 __sum16 result, expec; 553 554 assert_setup_correct(test); 555 memset(tmp_buf, 0x4, TEST_BUFLEN); 556 for (align = 0; align < TEST_BUFLEN; ++align) { 557 for (len = 0; len < MAX_LEN && (align + len) < TEST_BUFLEN; 558 ++len) { 559 /* 560 * Expect no carries. 561 */ 562 sum = to_wsum(init_sums_no_overflow[len]); 563 result = full_csum(&tmp_buf[align], len, sum); 564 expec = 0; 565 CHECK_EQ(result, expec); 566 567 /* 568 * Expect one carry. 569 */ 570 sum = to_wsum(init_sums_no_overflow[len] + 1); 571 result = full_csum(&tmp_buf[align], len, sum); 572 expec = to_sum16(len ? 0xfffe : 0xffff); 573 CHECK_EQ(result, expec); 574 } 575 } 576 } 577 578 static void test_ip_fast_csum(struct kunit *test) 579 { 580 __sum16 csum_result, expected; 581 582 for (int len = IPv4_MIN_WORDS; len < IPv4_MAX_WORDS; len++) { 583 for (int index = 0; index < NUM_IP_FAST_CSUM_TESTS; index++) { 584 csum_result = ip_fast_csum(random_buf + index, len); 585 expected = 586 expected_fast_csum[(len - IPv4_MIN_WORDS) * 587 NUM_IP_FAST_CSUM_TESTS + 588 index]; 589 CHECK_EQ(expected, csum_result); 590 } 591 } 592 } 593 594 static void test_csum_ipv6_magic(struct kunit *test) 595 { 596 const struct in6_addr *saddr; 597 const struct in6_addr *daddr; 598 unsigned int len; 599 unsigned char proto; 600 unsigned int csum; 601 602 const int daddr_offset = sizeof(struct in6_addr); 603 const int len_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr); 604 const int proto_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr) + 605 sizeof(int); 606 const int csum_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr) + 607 sizeof(int) + sizeof(char); 608 609 for (int i = 0; i < NUM_IPv6_TESTS; i++) { 610 saddr = (const struct in6_addr *)(random_buf + i); 611 daddr = (const struct in6_addr *)(random_buf + i + 612 daddr_offset); 613 len = *(unsigned int *)(random_buf + i + len_offset); 614 proto = *(random_buf + i + proto_offset); 615 csum = *(unsigned int *)(random_buf + i + csum_offset); > 616 CHECK_EQ(expected_csum_ipv6_magic[i], 617 csum_ipv6_magic(saddr, daddr, len, proto, csum)); 618 } 619 } 620 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
