ceph/src/dpdk/examples/multi_process/client_server_mp/mp_server/init.h

   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
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  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_ */