Imported Upstream version 17.05

[deb_dpdk.git] / examples / server_node_efd / server / init.h

diff --git a/examples/server_node_efd/server/init.h b/examples/server_node_efd/server/init.h
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+++ b/examples/server_node_efd/server/init.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _INIT_H_
+#define _INIT_H_
+
+/*
+ * #include <rte_ring.h>
+ * #include "args.h"
+ */
+
+/*
+ * Define a node structure with all needed info, including
+ * stats from the nodes.
+ */
+struct node {
+       struct rte_ring *rx_q;
+       unsigned int node_id;
+       /* these stats hold how many packets the node will actually receive,
+        * and how many packets were dropped because the node's queue was full.
+        * The port-info stats, in contrast, record how many packets were received
+        * or transmitted on an actual NIC port.
+        */
+       struct {
+               uint64_t rx;
+               uint64_t rx_drop;
+       } stats;
+};
+
+extern struct rte_efd_table *efd_table;
+extern struct node *nodes;
+
+/*
+ * shared information between server and nodes: number of nodes,
+ * port numbers, rx and tx stats etc.
+ */
+extern struct shared_info *info;
+
+extern struct rte_mempool *pktmbuf_pool;
+extern uint8_t num_nodes;
+extern unsigned int num_sockets;
+extern uint32_t num_flows;
+
+int init(int argc, char *argv[]);
+
+#endif /* ifndef _INIT_H_ */