42 #define AES_BLOCK_MASK	(~(AES_BLOCK_SIZE - 1))
307 		nbytes &= AES_BLOCK_SIZE - 1;  in ecb_encrypt()
329 		nbytes &= AES_BLOCK_SIZE - 1;  in ecb_decrypt()
351 		nbytes &= AES_BLOCK_SIZE - 1;  in cbc_encrypt()
373 		nbytes &= AES_BLOCK_SIZE - 1;  in cbc_decrypt()
384 	int cbc_blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2;  in cts_cbc_encrypt()
395 	if (req->cryptlen <= AES_BLOCK_SIZE) {  in cts_cbc_encrypt()
396 		if (req->cryptlen < AES_BLOCK_SIZE)  in cts_cbc_encrypt()
403 					   cbc_blocks * AES_BLOCK_SIZE,  in cts_cbc_encrypt()
410 		if (req->cryptlen == AES_BLOCK_SIZE)  in cts_cbc_encrypt()
421 				   req->cryptlen - cbc_blocks * AES_BLOCK_SIZE,  in cts_cbc_encrypt()
440 	int cbc_blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2;  in cts_cbc_decrypt()
451 	if (req->cryptlen <= AES_BLOCK_SIZE) {  in cts_cbc_decrypt()
452 		if (req->cryptlen < AES_BLOCK_SIZE)  in cts_cbc_decrypt()
459 					   cbc_blocks * AES_BLOCK_SIZE,  in cts_cbc_decrypt()
466 		if (req->cryptlen == AES_BLOCK_SIZE)  in cts_cbc_decrypt()
477 				   req->cryptlen - cbc_blocks * AES_BLOCK_SIZE,  in cts_cbc_decrypt()
514 	u8 keystream[AES_BLOCK_SIZE];  in ctr_crypt()
535 			crypto_inc(walk.iv, AES_BLOCK_SIZE);  in ctr_crypt()
563 	u8 keystream[AES_BLOCK_SIZE];  in xctr_crypt()
568 	__le32 block[AES_BLOCK_SIZE / sizeof(__le32)];  in xctr_crypt()
582 			memcpy(block, walk.iv, AES_BLOCK_SIZE);  in xctr_crypt()
583 			block[0] ^= cpu_to_le32(1 + byte_ctr / AES_BLOCK_SIZE);  in xctr_crypt()
910 	int tail = req->cryptlen % AES_BLOCK_SIZE;  in xts_crypt()
915 	if (req->cryptlen < AES_BLOCK_SIZE)  in xts_crypt()
923 		int blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2;  in xts_crypt()
932 					   blocks * AES_BLOCK_SIZE, req->iv);  in xts_crypt()
951 			nbytes &= ~(AES_BLOCK_SIZE - 1);  in xts_crypt()
977 		skcipher_request_set_crypt(req, src, dst, AES_BLOCK_SIZE + tail,  in xts_crypt()
1015 	.cra_blocksize		= AES_BLOCK_SIZE,
1036 			.cra_blocksize		= AES_BLOCK_SIZE,
1051 			.cra_blocksize		= AES_BLOCK_SIZE,
1057 		.ivsize		= AES_BLOCK_SIZE,
1067 			.cra_blocksize		= AES_BLOCK_SIZE,
1073 		.ivsize		= AES_BLOCK_SIZE,
1074 		.walksize	= 2 * AES_BLOCK_SIZE,
1091 		.ivsize		= AES_BLOCK_SIZE,
1092 		.chunksize	= AES_BLOCK_SIZE,
1103 			.cra_blocksize		= AES_BLOCK_SIZE,
1109 		.ivsize		= AES_BLOCK_SIZE,
1110 		.walksize	= 2 * AES_BLOCK_SIZE,
1137 	.ivsize		= AES_BLOCK_SIZE,
1138 	.chunksize	= AES_BLOCK_SIZE,