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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#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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