+
+ if (options->cipher_xform.cipher.dataunit_len > 0) {
+ if (!(dev_info.feature_flags &
+ RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS)) {
+ RTE_LOG(DEBUG, USER1,
+ "Device %u does not support "
+ "cipher multiple data units\n",
+ cdev_id);
+ return -1;
+ }
+ if (cap->sym.cipher.dataunit_set != 0) {
+ int ret = 0;
+
+ switch (options->cipher_xform.cipher.dataunit_len) {
+ case 512:
+ if (!(cap->sym.cipher.dataunit_set &
+ RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_512_BYTES))
+ ret = -1;
+ break;
+ case 4096:
+ if (!(cap->sym.cipher.dataunit_set &
+ RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES))
+ ret = -1;
+ break;
+ case 1048576:
+ if (!(cap->sym.cipher.dataunit_set &
+ RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_1_MEGABYTES))
+ ret = -1;
+ break;
+ default:
+ ret = -1;
+ }
+ if (ret == -1) {
+ RTE_LOG(DEBUG, USER1,
+ "Device %u does not support "
+ "data-unit length %u\n",
+ cdev_id,
+ options->cipher_xform.cipher.dataunit_len);
+ return -1;
+ }
+ }
+ }
+ /* >8 End of checking if cipher is supported. */