27 static void crypto_ctr_crypt_final(struct skcipher_walk *walk,  in crypto_ctr_crypt_final()  argument
32 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_final()
35 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_final()
36 	u8 *dst = walk->dst.virt.addr;  in crypto_ctr_crypt_final()
37 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_final()
45 static int crypto_ctr_crypt_segment(struct skcipher_walk *walk,  in crypto_ctr_crypt_segment()  argument
51 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_segment()
52 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_segment()
53 	u8 *dst = walk->dst.virt.addr;  in crypto_ctr_crypt_segment()
54 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_segment()
71 static int crypto_ctr_crypt_inplace(struct skcipher_walk *walk,  in crypto_ctr_crypt_inplace()  argument
78 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_inplace()
79 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_inplace()
80 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_inplace()
103 	struct skcipher_walk walk;  in crypto_ctr_crypt()  local
107 	err = skcipher_walk_virt(&walk, req, false);  in crypto_ctr_crypt()
109 	while (walk.nbytes >= bsize) {  in crypto_ctr_crypt()
110 		if (walk.src.virt.addr == walk.dst.virt.addr)  in crypto_ctr_crypt()
111 			nbytes = crypto_ctr_crypt_inplace(&walk, cipher);  in crypto_ctr_crypt()
113 			nbytes = crypto_ctr_crypt_segment(&walk, cipher);  in crypto_ctr_crypt()
115 		err = skcipher_walk_done(&walk, nbytes);  in crypto_ctr_crypt()
118 	if (walk.nbytes) {  in crypto_ctr_crypt()
119 		crypto_ctr_crypt_final(&walk, cipher);  in crypto_ctr_crypt()
120 		err = skcipher_walk_done(&walk, 0);  in crypto_ctr_crypt()