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examples/multi_process/client_server_mp/shared/common.h
58 строк
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Tyler Retzlaff
examples: move alignment attribute on types for MSVC
19 апр 2024, 17:31
19 апр 2024, 17:31
7e06c0d
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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 __rte_cache_aligned rx_stats { uint64_t rx[RTE_MAX_ETHPORTS]; }; struct __rte_cache_aligned tx_stats { uint64_t tx[RTE_MAX_ETHPORTS]; uint64_t tx_drop[RTE_MAX_ETHPORTS]; }; 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(uint8_t 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), MP_CLIENT_RXQ_NAME, id); return buffer; } #define RTE_LOGTYPE_APP RTE_LOGTYPE_USER1 #endif