111 	struct scatter_walk walk;  in ccm_calculate_auth_mac()  local
127 	scatterwalk_start(&walk, req->assoc);  in ccm_calculate_auth_mac()
130 		u32 n = scatterwalk_clamp(&walk, len);  in ccm_calculate_auth_mac()
134 			scatterwalk_start(&walk, sg_next(walk.sg));  in ccm_calculate_auth_mac()
135 			n = scatterwalk_clamp(&walk, len);  in ccm_calculate_auth_mac()
137 		p = scatterwalk_map(&walk);  in ccm_calculate_auth_mac()
143 		scatterwalk_advance(&walk, n);  in ccm_calculate_auth_mac()
144 		scatterwalk_done(&walk, 0, len);  in ccm_calculate_auth_mac()
153 	struct blkcipher_walk walk;  in ccm_encrypt()  local
171 	blkcipher_walk_init(&walk, req->dst, req->src, len);  in ccm_encrypt()
172 	err = blkcipher_aead_walk_virt_block(&desc, &walk, aead,  in ccm_encrypt()
175 	while (walk.nbytes) {  in ccm_encrypt()
176 		u32 tail = walk.nbytes % AES_BLOCK_SIZE;  in ccm_encrypt()
178 		if (walk.nbytes == len)  in ccm_encrypt()
181 		ce_aes_ccm_encrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ccm_encrypt()
182 				   walk.nbytes - tail, ctx->key_enc,  in ccm_encrypt()
183 				   num_rounds(ctx), mac, walk.iv);  in ccm_encrypt()
185 		len -= walk.nbytes - tail;  in ccm_encrypt()
186 		err = blkcipher_walk_done(&desc, &walk, tail);  in ccm_encrypt()
209 	struct blkcipher_walk walk;  in ccm_decrypt()  local
227 	blkcipher_walk_init(&walk, req->dst, req->src, len);  in ccm_decrypt()
228 	err = blkcipher_aead_walk_virt_block(&desc, &walk, aead,  in ccm_decrypt()
231 	while (walk.nbytes) {  in ccm_decrypt()
232 		u32 tail = walk.nbytes % AES_BLOCK_SIZE;  in ccm_decrypt()
234 		if (walk.nbytes == len)  in ccm_decrypt()
237 		ce_aes_ccm_decrypt(walk.dst.virt.addr, walk.src.virt.addr,  in ccm_decrypt()
238 				   walk.nbytes - tail, ctx->key_enc,  in ccm_decrypt()
239 				   num_rounds(ctx), mac, walk.iv);  in ccm_decrypt()
241 		len -= walk.nbytes - tail;  in ccm_decrypt()
242 		err = blkcipher_walk_done(&desc, &walk, tail);  in ccm_decrypt()