48 static inline bool cast5_fpu_begin(bool fpu_enabled, unsigned int nbytes)  in cast5_fpu_begin()  argument
51 			      NULL, fpu_enabled, nbytes);  in cast5_fpu_begin()
65 	unsigned int nbytes;  in ecb_crypt()  local
74 	while ((nbytes = walk->nbytes)) {  in ecb_crypt()
78 		fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes);  in ecb_crypt()
81 		if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) {  in ecb_crypt()
87 				nbytes -= bsize * CAST5_PARALLEL_BLOCKS;  in ecb_crypt()
88 			} while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS);  in ecb_crypt()
90 			if (nbytes < bsize)  in ecb_crypt()
102 			nbytes -= bsize;  in ecb_crypt()
103 		} while (nbytes >= bsize);  in ecb_crypt()
106 		err = blkcipher_walk_done(desc, walk, nbytes);  in ecb_crypt()
114 		       struct scatterlist *src, unsigned int nbytes)  in ecb_encrypt()  argument
118 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
123 		       struct scatterlist *src, unsigned int nbytes)  in ecb_decrypt()  argument
127 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
136 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()  local
148 		nbytes -= bsize;  in __cbc_encrypt()
149 	} while (nbytes >= bsize);  in __cbc_encrypt()
152 	return nbytes;  in __cbc_encrypt()
156 		       struct scatterlist *src, unsigned int nbytes)  in cbc_encrypt()  argument
161 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
164 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
165 		nbytes = __cbc_encrypt(desc, &walk);  in cbc_encrypt()
166 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_encrypt()
177 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()  local
183 	src += nbytes / bsize - 1;  in __cbc_decrypt()
184 	dst += nbytes / bsize - 1;  in __cbc_decrypt()
189 	if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) {  in __cbc_decrypt()
191 			nbytes -= bsize * (CAST5_PARALLEL_BLOCKS - 1);  in __cbc_decrypt()
197 			nbytes -= bsize;  in __cbc_decrypt()
198 			if (nbytes < bsize)  in __cbc_decrypt()
204 		} while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS);  in __cbc_decrypt()
211 		nbytes -= bsize;  in __cbc_decrypt()
212 		if (nbytes < bsize)  in __cbc_decrypt()
224 	return nbytes;  in __cbc_decrypt()
228 		       struct scatterlist *src, unsigned int nbytes)  in cbc_decrypt()  argument
234 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
238 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
239 		fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes);  in cbc_decrypt()
240 		nbytes = __cbc_decrypt(desc, &walk);  in cbc_decrypt()
241 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_decrypt()
256 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()  local
259 	crypto_xor(keystream, src, nbytes);  in ctr_crypt_final()
260 	memcpy(dst, keystream, nbytes);  in ctr_crypt_final()
270 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()  local
275 	if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) {  in __ctr_crypt()
282 			nbytes -= bsize * CAST5_PARALLEL_BLOCKS;  in __ctr_crypt()
283 		} while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS);  in __ctr_crypt()
285 		if (nbytes < bsize)  in __ctr_crypt()
304 		nbytes -= bsize;  in __ctr_crypt()
305 	} while (nbytes >= bsize);  in __ctr_crypt()
308 	return nbytes;  in __ctr_crypt()
312 		     struct scatterlist *src, unsigned int nbytes)  in ctr_crypt()  argument
318 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_crypt()
322 	while ((nbytes = walk.nbytes) >= CAST5_BLOCK_SIZE) {  in ctr_crypt()
323 		fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes);  in ctr_crypt()
324 		nbytes = __ctr_crypt(desc, &walk);  in ctr_crypt()
325 		err = blkcipher_walk_done(desc, &walk, nbytes);  in ctr_crypt()
330 	if (walk.nbytes) {  in ctr_crypt()