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/*-
* 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
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