xref: /dpdk/examples/server_node_efd/server/init.h (revision ed2a80fd)
1*ed2a80fdSPablo de Lara /*-
2*ed2a80fdSPablo de Lara  *   BSD LICENSE
3*ed2a80fdSPablo de Lara  *
4*ed2a80fdSPablo de Lara  *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
5*ed2a80fdSPablo de Lara  *   All rights reserved.
6*ed2a80fdSPablo de Lara  *
7*ed2a80fdSPablo de Lara  *   Redistribution and use in source and binary forms, with or without
8*ed2a80fdSPablo de Lara  *   modification, are permitted provided that the following conditions
9*ed2a80fdSPablo de Lara  *   are met:
10*ed2a80fdSPablo de Lara  *
11*ed2a80fdSPablo de Lara  *     * Redistributions of source code must retain the above copyright
12*ed2a80fdSPablo de Lara  *       notice, this list of conditions and the following disclaimer.
13*ed2a80fdSPablo de Lara  *     * Redistributions in binary form must reproduce the above copyright
14*ed2a80fdSPablo de Lara  *       notice, this list of conditions and the following disclaimer in
15*ed2a80fdSPablo de Lara  *       the documentation and/or other materials provided with the
16*ed2a80fdSPablo de Lara  *       distribution.
17*ed2a80fdSPablo de Lara  *     * Neither the name of Intel Corporation nor the names of its
18*ed2a80fdSPablo de Lara  *       contributors may be used to endorse or promote products derived
19*ed2a80fdSPablo de Lara  *       from this software without specific prior written permission.
20*ed2a80fdSPablo de Lara  *
21*ed2a80fdSPablo de Lara  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22*ed2a80fdSPablo de Lara  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23*ed2a80fdSPablo de Lara  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24*ed2a80fdSPablo de Lara  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25*ed2a80fdSPablo de Lara  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26*ed2a80fdSPablo de Lara  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27*ed2a80fdSPablo de Lara  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28*ed2a80fdSPablo de Lara  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29*ed2a80fdSPablo de Lara  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30*ed2a80fdSPablo de Lara  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31*ed2a80fdSPablo de Lara  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32*ed2a80fdSPablo de Lara  */
33*ed2a80fdSPablo de Lara 
34*ed2a80fdSPablo de Lara #ifndef _INIT_H_
35*ed2a80fdSPablo de Lara #define _INIT_H_
36*ed2a80fdSPablo de Lara 
37*ed2a80fdSPablo de Lara /*
38*ed2a80fdSPablo de Lara  * #include <rte_ring.h>
39*ed2a80fdSPablo de Lara  * #include "args.h"
40*ed2a80fdSPablo de Lara  */
41*ed2a80fdSPablo de Lara 
42*ed2a80fdSPablo de Lara /*
43*ed2a80fdSPablo de Lara  * Define a node structure with all needed info, including
44*ed2a80fdSPablo de Lara  * stats from the nodes.
45*ed2a80fdSPablo de Lara  */
46*ed2a80fdSPablo de Lara struct node {
47*ed2a80fdSPablo de Lara 	struct rte_ring *rx_q;
48*ed2a80fdSPablo de Lara 	unsigned int node_id;
49*ed2a80fdSPablo de Lara 	/* these stats hold how many packets the node will actually receive,
50*ed2a80fdSPablo de Lara 	 * and how many packets were dropped because the node's queue was full.
51*ed2a80fdSPablo de Lara 	 * The port-info stats, in contrast, record how many packets were received
52*ed2a80fdSPablo de Lara 	 * or transmitted on an actual NIC port.
53*ed2a80fdSPablo de Lara 	 */
54*ed2a80fdSPablo de Lara 	struct {
55*ed2a80fdSPablo de Lara 		uint64_t rx;
56*ed2a80fdSPablo de Lara 		uint64_t rx_drop;
57*ed2a80fdSPablo de Lara 	} stats;
58*ed2a80fdSPablo de Lara };
59*ed2a80fdSPablo de Lara 
60*ed2a80fdSPablo de Lara extern struct rte_efd_table *efd_table;
61*ed2a80fdSPablo de Lara extern struct node *nodes;
62*ed2a80fdSPablo de Lara 
63*ed2a80fdSPablo de Lara /*
64*ed2a80fdSPablo de Lara  * shared information between server and nodes: number of nodes,
65*ed2a80fdSPablo de Lara  * port numbers, rx and tx stats etc.
66*ed2a80fdSPablo de Lara  */
67*ed2a80fdSPablo de Lara extern struct shared_info *info;
68*ed2a80fdSPablo de Lara 
69*ed2a80fdSPablo de Lara extern struct rte_mempool *pktmbuf_pool;
70*ed2a80fdSPablo de Lara extern uint8_t num_nodes;
71*ed2a80fdSPablo de Lara extern unsigned int num_sockets;
72*ed2a80fdSPablo de Lara extern uint32_t num_flows;
73*ed2a80fdSPablo de Lara 
74*ed2a80fdSPablo de Lara int init(int argc, char *argv[]);
75*ed2a80fdSPablo de Lara 
76*ed2a80fdSPablo de Lara #endif /* ifndef _INIT_H_ */
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