83 crc32_body(uint32_t crc, unsigned char const *buf, size_t len,  in crc32_body()  argument
87 #  define DO_CRC(x) (crc = t0[(crc ^ (x)) & 255] ^ (crc >> 8))  in crc32_body()
93 #  define DO_CRC(x) (crc = t0[((crc >> 24) ^ (x)) & 255] ^ (crc << 8))  in crc32_body()
122 		q = crc ^ *++b; /* use pre increment for speed */  in crc32_body()
124 		crc = DO_CRC4;  in crc32_body()
126 		crc = DO_CRC8;  in crc32_body()
128 		crc ^= DO_CRC4;  in crc32_body()
139 	return crc;  in crc32_body()
153 static inline uint32_t crc32_le_generic(uint32_t crc, unsigned char const *p,  in crc32_le_generic()  argument
160 		crc ^= *p++;  in crc32_le_generic()
162 			crc = (crc >> 1) ^ ((crc & 1) ? polynomial : 0);  in crc32_le_generic()
166 		crc ^= *p++;  in crc32_le_generic()
167 		crc = (crc >> 2) ^ tab[0][crc & 3];  in crc32_le_generic()
168 		crc = (crc >> 2) ^ tab[0][crc & 3];  in crc32_le_generic()
169 		crc = (crc >> 2) ^ tab[0][crc & 3];  in crc32_le_generic()
170 		crc = (crc >> 2) ^ tab[0][crc & 3];  in crc32_le_generic()
174 		crc ^= *p++;  in crc32_le_generic()
175 		crc = (crc >> 4) ^ tab[0][crc & 15];  in crc32_le_generic()
176 		crc = (crc >> 4) ^ tab[0][crc & 15];  in crc32_le_generic()
181 		crc ^= *p++;  in crc32_le_generic()
182 		crc = (crc >> 8) ^ tab[0][crc & 255];  in crc32_le_generic()
185 	crc = __cpu_to_le32(crc);  in crc32_le_generic()
186 	crc = crc32_body(crc, p, len, tab);  in crc32_le_generic()
187 	crc = __le32_to_cpu(crc);  in crc32_le_generic()
189 	return crc;  in crc32_le_generic()
192 uint32_t ext2fs_crc32c_le(uint32_t crc, unsigned char const *p, size_t len)  in ext2fs_crc32c_le()  argument
194 	return crc32_le_generic(crc, p, len, crc32ctable_le, CRC32C_POLY_LE);  in ext2fs_crc32c_le()
204 static inline uint32_t crc32_be_generic(uint32_t crc, unsigned char const *p,  in crc32_be_generic()  argument
211 		crc ^= *p++ << 24;  in crc32_be_generic()
213 			crc =  in crc32_be_generic()
214 			    (crc << 1) ^ ((crc & 0x80000000) ? polynomial :  in crc32_be_generic()
219 		crc ^= *p++ << 24;  in crc32_be_generic()
220 		crc = (crc << 2) ^ tab[0][crc >> 30];  in crc32_be_generic()
221 		crc = (crc << 2) ^ tab[0][crc >> 30];  in crc32_be_generic()
222 		crc = (crc << 2) ^ tab[0][crc >> 30];  in crc32_be_generic()
223 		crc = (crc << 2) ^ tab[0][crc >> 30];  in crc32_be_generic()
227 		crc ^= *p++ << 24;  in crc32_be_generic()
228 		crc = (crc << 4) ^ tab[0][crc >> 28];  in crc32_be_generic()
229 		crc = (crc << 4) ^ tab[0][crc >> 28];  in crc32_be_generic()
233 		crc ^= *p++ << 24;  in crc32_be_generic()
234 		crc = (crc << 8) ^ tab[0][crc >> 24];  in crc32_be_generic()
237 	crc = __cpu_to_be32(crc);  in crc32_be_generic()
238 	crc = crc32_body(crc, p, len, tab);  in crc32_be_generic()
239 	crc = __be32_to_cpu(crc);  in crc32_be_generic()
241 	return crc;  in crc32_be_generic()
244 uint32_t ext2fs_crc32_be(uint32_t crc, unsigned char const *p, size_t len)  in ext2fs_crc32_be()  argument
246 	return crc32_be_generic(crc, p, len, crc32table_be, CRCPOLY_BE);  in ext2fs_crc32_be()
766 	uint32_t crc;		/* random starting crc */  member
910 		le = ext2fs_crc32c_le(t->crc, test_buf + t->start, t->length);  in test_crc32c()
911 		be = ext2fs_crc32_be(t->crc, test_buf + t->start, t->length);  in test_crc32c()