crypto: support scatter-gather in software drivers

[dpdk.git] / drivers / crypto / aesni_gcm / aesni_gcm_pmd.c

diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
index af3d60f..5af22f7 100644 (file)
--- a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
+++ b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
@@ -377,6 +377,20 @@ aesni_gcm_pmd_enqueue_burst(void *queue_pair,
                        break;
                }
 
+#ifdef RTE_LIBRTE_PMD_AESNI_GCM_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))) {
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       GCM_LOG_ERR("PMD supports only contiguous mbufs, "
+                               "op (%p) provides noncontiguous mbuf as "
+                               "source/destination buffer.\n", ops[i]);
+                       qp->qp_stats.enqueue_err_count++;
+                       break;
+               }
+#endif
+
                retval = process_gcm_crypto_op(qp, ops[i]->sym, sess);
                if (retval < 0) {
                        ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;