65 static inline u8 *crypto_cts_reqctx_space(struct skcipher_request *req)  in crypto_cts_reqctx_space()  argument
67 	struct crypto_cts_reqctx *rctx = skcipher_request_ctx(req);  in crypto_cts_reqctx_space()
68 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);  in crypto_cts_reqctx_space()
90 	struct skcipher_request *req = areq->data;  in cts_cbc_crypt_done()  local
95 	skcipher_request_complete(req, err);  in cts_cbc_crypt_done()
98 static int cts_cbc_encrypt(struct skcipher_request *req)  in cts_cbc_encrypt()  argument
100 	struct crypto_cts_reqctx *rctx = skcipher_request_ctx(req);  in cts_cbc_encrypt()
101 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);  in cts_cbc_encrypt()
110 	lastn = req->cryptlen - offset;  in cts_cbc_encrypt()
112 	sg = scatterwalk_ffwd(rctx->sg, req->dst, offset - bsize);  in cts_cbc_encrypt()
116 	scatterwalk_map_and_copy(d, req->src, offset, lastn, 0);  in cts_cbc_encrypt()
121 	skcipher_request_set_callback(subreq, req->base.flags &  in cts_cbc_encrypt()
123 				      cts_cbc_crypt_done, req);  in cts_cbc_encrypt()
124 	skcipher_request_set_crypt(subreq, sg, sg, bsize, req->iv);  in cts_cbc_encrypt()
130 	struct skcipher_request *req = areq->data;  in crypto_cts_encrypt_done()  local
135 	err = cts_cbc_encrypt(req);  in crypto_cts_encrypt_done()
140 	skcipher_request_complete(req, err);  in crypto_cts_encrypt_done()
143 static int crypto_cts_encrypt(struct skcipher_request *req)  in crypto_cts_encrypt()  argument
145 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);  in crypto_cts_encrypt()
146 	struct crypto_cts_reqctx *rctx = skcipher_request_ctx(req);  in crypto_cts_encrypt()
150 	unsigned int nbytes = req->cryptlen;  in crypto_cts_encrypt()
159 		skcipher_request_set_callback(subreq, req->base.flags,  in crypto_cts_encrypt()
160 					      req->base.complete,  in crypto_cts_encrypt()
161 					      req->base.data);  in crypto_cts_encrypt()
162 		skcipher_request_set_crypt(subreq, req->src, req->dst, nbytes,  in crypto_cts_encrypt()
163 					   req->iv);  in crypto_cts_encrypt()
170 	skcipher_request_set_callback(subreq, req->base.flags,  in crypto_cts_encrypt()
171 				      crypto_cts_encrypt_done, req);  in crypto_cts_encrypt()
172 	skcipher_request_set_crypt(subreq, req->src, req->dst,  in crypto_cts_encrypt()
173 				   offset, req->iv);  in crypto_cts_encrypt()
176 	       cts_cbc_encrypt(req);  in crypto_cts_encrypt()
179 static int cts_cbc_decrypt(struct skcipher_request *req)  in cts_cbc_decrypt()  argument
181 	struct crypto_cts_reqctx *rctx = skcipher_request_ctx(req);  in cts_cbc_decrypt()
182 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);  in cts_cbc_decrypt()
192 	lastn = req->cryptlen - offset;  in cts_cbc_decrypt()
194 	sg = scatterwalk_ffwd(rctx->sg, req->dst, offset - bsize);  in cts_cbc_decrypt()
198 	space = crypto_cts_reqctx_space(req);  in cts_cbc_decrypt()
202 	scatterwalk_map_and_copy(d, req->src, offset, lastn, 0);  in cts_cbc_decrypt()
214 	skcipher_request_set_callback(subreq, req->base.flags &  in cts_cbc_decrypt()
216 				      cts_cbc_crypt_done, req);  in cts_cbc_decrypt()
224 	struct skcipher_request *req = areq->data;  in crypto_cts_decrypt_done()  local
229 	err = cts_cbc_decrypt(req);  in crypto_cts_decrypt_done()
234 	skcipher_request_complete(req, err);  in crypto_cts_decrypt_done()
237 static int crypto_cts_decrypt(struct skcipher_request *req)  in crypto_cts_decrypt()  argument
239 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);  in crypto_cts_decrypt()
240 	struct crypto_cts_reqctx *rctx = skcipher_request_ctx(req);  in crypto_cts_decrypt()
244 	unsigned int nbytes = req->cryptlen;  in crypto_cts_decrypt()
254 		skcipher_request_set_callback(subreq, req->base.flags,  in crypto_cts_decrypt()
255 					      req->base.complete,  in crypto_cts_decrypt()
256 					      req->base.data);  in crypto_cts_decrypt()
257 		skcipher_request_set_crypt(subreq, req->src, req->dst, nbytes,  in crypto_cts_decrypt()
258 					   req->iv);  in crypto_cts_decrypt()
262 	skcipher_request_set_callback(subreq, req->base.flags,  in crypto_cts_decrypt()
263 				      crypto_cts_decrypt_done, req);  in crypto_cts_decrypt()
265 	space = crypto_cts_reqctx_space(req);  in crypto_cts_decrypt()
271 		memcpy(space, req->iv, bsize);  in crypto_cts_decrypt()
273 		scatterwalk_map_and_copy(space, req->src, offset - 2 * bsize,  in crypto_cts_decrypt()
276 	skcipher_request_set_crypt(subreq, req->src, req->dst,  in crypto_cts_decrypt()
277 				   offset, req->iv);  in crypto_cts_decrypt()
280 	       cts_cbc_decrypt(req);  in crypto_cts_decrypt()