update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / dpdk / lib / librte_node / rte_node_eth_api.h

diff --git a/ceph/src/spdk/dpdk/lib/librte_node/rte_node_eth_api.h b/ceph/src/spdk/dpdk/lib/librte_node/rte_node_eth_api.h
new file mode 100644 (file)
index 0000000..e9a53af
--- /dev/null
+++ b/ceph/src/spdk/dpdk/lib/librte_node/rte_node_eth_api.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#ifndef __INCLUDE_RTE_NODE_ETH_API_H__
+#define __INCLUDE_RTE_NODE_ETH_API_H__
+
+/**
+ * @file rte_node_eth_api.h
+ *
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * This API allows to setup ethdev_rx and ethdev_tx nodes
+ * and its queue associations.
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rte_common.h>
+#include <rte_mempool.h>
+
+/**
+ * Port config for ethdev_rx and ethdev_tx node.
+ */
+struct rte_node_ethdev_config {
+       uint16_t port_id;
+       /**< Port identifier */
+       uint16_t num_rx_queues;
+       /**< Number of Rx queues. */
+       uint16_t num_tx_queues;
+       /**< Number of Tx queues. */
+       struct rte_mempool **mp;
+       /**< Array of mempools associated to Rx queue. */
+       uint16_t mp_count;
+       /**< Size of mp array. */
+};
+
+/**
+ * Initializes ethdev nodes.
+ *
+ * @param cfg
+ *   Array of ethdev config that identifies which port's
+ *   ethdev_rx and ethdev_tx nodes need to be created
+ *   and queue association.
+ * @param cnt
+ *   Size of cfg array.
+ * @param nb_graphs
+ *   Number of graphs that will be used.
+ *
+ * @return
+ *   0 on successful initialization, negative otherwise.
+ */
+__rte_experimental
+int rte_node_eth_config(struct rte_node_ethdev_config *cfg,
+                       uint16_t cnt, uint16_t nb_graphs);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_RTE_NODE_ETH_API_H__ */