crypto: support scatter-gather in software drivers

[dpdk.git] / drivers / crypto / zuc / rte_zuc_pmd.c

diff --git a/drivers/crypto/zuc/rte_zuc_pmd.c b/drivers/crypto/zuc/rte_zuc_pmd.c
index 3849119..bf53f76 100644 (file)
--- a/drivers/crypto/zuc/rte_zuc_pmd.c
+++ b/drivers/crypto/zuc/rte_zuc_pmd.c
@@ -211,6 +211,19 @@ process_zuc_cipher_op(struct rte_crypto_op **ops,
                        break;
                }
 
+#ifdef RTE_LIBRTE_PMD_ZUC_DEBUG
+               if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
+                               (ops[i]->sym->m_dst != NULL &&
+                               !rte_pktmbuf_is_contiguous(
+                                               ops[i]->sym->m_dst))) {
+                       ZUC_LOG_ERR("PMD supports only contiguous mbufs, "
+                               "op (%p) provides noncontiguous mbuf as "
+                               "source/destination buffer.\n", ops[i]);
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       break;
+               }
+#endif
+
                src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
                                (ops[i]->sym->cipher.data.offset >> 3);
                dst[i] = ops[i]->sym->m_dst ?