text: /*-
   *   BSD LICENSE
   *
   *   Copyright(c) 2010-2014 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 _COMMON_H_
  #define _COMMON_H_
  
  #define MAX_CLIENTS             16
  
  /*
   * Shared port info, including statistics information for display by server.
   * Structure will be put in a memzone.
   * - All port id values share one cache line as this data will be read-only
   * during operation.
   * - All rx statistic values share cache lines, as this data is written only
   * by the server process. (rare reads by stats display)
   * - The tx statistics have values for all ports per cache line, but the stats
   * themselves are written by the clients, so we have a distinct set, on different
   * cache lines for each client to use.
   */
  struct rx_stats{
  	uint64_t rx[RTE_MAX_ETHPORTS];
  } __rte_cache_aligned;
  
  struct tx_stats{
  	uint64_t tx[RTE_MAX_ETHPORTS];
  	uint64_t tx_drop[RTE_MAX_ETHPORTS];
  } __rte_cache_aligned;
  
  struct port_info {
  	uint16_t num_ports;
  	uint16_t id[RTE_MAX_ETHPORTS];
  	volatile struct rx_stats rx_stats;
  	volatile struct tx_stats tx_stats[MAX_CLIENTS];
  };
  
  /* define common names for structures shared between server and client */
  #define MP_CLIENT_RXQ_NAME "MProc_Client_%u_RX"
  #define PKTMBUF_POOL_NAME "MProc_pktmbuf_pool"
  #define MZ_PORT_INFO "MProc_port_info"
  
  /*
   * Given the rx queue name template above, get the queue name
   */
  static inline const char *
  get_rx_queue_name(unsigned id)
  {
  	/* buffer for return value. Size calculated by %u being replaced
  	 * by maximum 3 digits (plus an extra byte for safety) */
  	static char buffer[sizeof(MP_CLIENT_RXQ_NAME) + 2];
  
  	snprintf(buffer, sizeof(buffer) - 1, MP_CLIENT_RXQ_NAME, id);
  	return buffer;
  }
  
  #define RTE_LOGTYPE_APP RTE_LOGTYPE_USER1
  
  #endif
  