crypto: support scatter-gather in software drivers

[dpdk.git] / drivers / crypto / kasumi / rte_kasumi_pmd.c

diff --git a/drivers/crypto/kasumi/rte_kasumi_pmd.c b/drivers/crypto/kasumi/rte_kasumi_pmd.c
index b119da2..4bdd7bb 100644 (file)
--- a/drivers/crypto/kasumi/rte_kasumi_pmd.c
+++ b/drivers/crypto/kasumi/rte_kasumi_pmd.c
@@ -455,6 +455,19 @@ kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
        for (i = 0; i < nb_ops; i++) {
                curr_c_op = ops[i];
 
+#ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
+               if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
+                               (curr_c_op->sym->m_dst != NULL &&
+                               !rte_pktmbuf_is_contiguous(
+                                               curr_c_op->sym->m_dst))) {
+                       KASUMI_LOG_ERR("PMD supports only contiguous mbufs, "
+                               "op (%p) provides noncontiguous mbuf as "
+                               "source/destination buffer.\n", curr_c_op);
+                       curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       break;
+               }
+#endif
+
                /* Set status as enqueued (not processed yet) by default. */
                curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;