xref: /dpdk/examples/multi_process/client_server_mp/mp_server/init.h (revision dada9ef6edc59015b6674b5a95258787c71401b0)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2012 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
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 #ifndef _INIT_H_
36 #define _INIT_H_
37 
38 /*
39  * #include <rte_ring.h>
40  * #include "args.h"
41  */
42 
43 /*
44  * Define a client structure with all needed info, including
45  * stats from the clients.
46  */
47 struct client {
48 	struct rte_ring *rx_q;
49 	unsigned client_id;
50 	/* these stats hold how many packets the client will actually receive,
51 	 * and how many packets were dropped because the client's queue was full.
52 	 * The port-info stats, in contrast, record how many packets were received
53 	 * or transmitted on an actual NIC port.
54 	 */
55 	struct {
56 		volatile uint64_t rx;
57 		volatile uint64_t rx_drop;
58 	} stats;
59 };
60 
61 extern struct client *clients;
62 
63 /* the shared port information: port numbers, rx and tx stats etc. */
64 extern struct port_info *ports;
65 
66 extern struct rte_mempool *pktmbuf_pool;
67 extern uint8_t num_clients;
68 extern unsigned num_sockets;
69 extern struct port_info *ports;
70 
71 int init(int argc, char *argv[]);
72 
73 #endif /* ifndef _INIT_H_ */
74