xref: /dpdk/examples/multi_process/client_server_mp/mp_server/init.h (revision e9d48c0072d36eb6423b45fba4ec49d0def6c36f)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef _INIT_H_
35 #define _INIT_H_
36 
37 /*
38  * #include <rte_ring.h>
39  * #include "args.h"
40  */
41 
42 /*
43  * Define a client structure with all needed info, including
44  * stats from the clients.
45  */
46 struct client {
47 	struct rte_ring *rx_q;
48 	unsigned client_id;
49 	/* these stats hold how many packets the client will actually receive,
50 	 * and how many packets were dropped because the client's queue was full.
51 	 * The port-info stats, in contrast, record how many packets were received
52 	 * or transmitted on an actual NIC port.
53 	 */
54 	struct {
55 		volatile uint64_t rx;
56 		volatile uint64_t rx_drop;
57 	} stats;
58 };
59 
60 extern struct client *clients;
61 
62 /* the shared port information: port numbers, rx and tx stats etc. */
63 extern struct port_info *ports;
64 
65 extern struct rte_mempool *pktmbuf_pool;
66 extern uint8_t num_clients;
67 extern unsigned num_sockets;
68 extern struct port_info *ports;
69 
70 int init(int argc, char *argv[]);
71 
72 #endif /* ifndef _INIT_H_ */
73