ceph/src/spdk/dpdk/examples/server_node_efd/shared/common.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2017 Intel Corporation
   3  */
   4
   5 #ifndef _COMMON_H_
   6 #define _COMMON_H_
   7
   8 #include <rte_hash_crc.h>
   9 #include <rte_hash.h>
  10
  11 #define MAX_NODES             16
  12 /*
  13  * Shared port info, including statistics information for display by server.
  14  * Structure will be put in a memzone.
  15  * - All port id values share one cache line as this data will be read-only
  16  * during operation.
  17  * - All rx statistic values share cache lines, as this data is written only
  18  * by the server process. (rare reads by stats display)
  19  * - The tx statistics have values for all ports per cache line, but the stats
  20  * themselves are written by the nodes, so we have a distinct set, on different
  21  * cache lines for each node to use.
  22  */
  23 struct rx_stats {
  24         uint64_t rx[RTE_MAX_ETHPORTS];
  25 } __rte_cache_aligned;
  26
  27 struct tx_stats {
  28         uint64_t tx[RTE_MAX_ETHPORTS];
  29         uint64_t tx_drop[RTE_MAX_ETHPORTS];
  30 } __rte_cache_aligned;
  31
  32 struct filter_stats {
  33         uint64_t drop;
  34         uint64_t passed;
  35 } __rte_cache_aligned;
  36
  37 struct shared_info {
  38         uint8_t num_nodes;
  39         uint16_t num_ports;
  40         uint32_t num_flows;
  41         uint16_t id[RTE_MAX_ETHPORTS];
  42         struct rx_stats rx_stats;
  43         struct tx_stats tx_stats[MAX_NODES];
  44         struct filter_stats filter_stats[MAX_NODES];
  45 };
  46
  47 /* define common names for structures shared between server and node */
  48 #define MP_NODE_RXQ_NAME "MProc_Node_%u_RX"
  49 #define PKTMBUF_POOL_NAME "MProc_pktmbuf_pool"
  50 #define MZ_SHARED_INFO "MProc_shared_info"
  51
  52 /*
  53  * Given the rx queue name template above, get the queue name
  54  */
  55 static inline const char *
  56 get_rx_queue_name(unsigned int id)
  57 {
  58         /*
  59          * Buffer for return value. Size calculated by %u being replaced
  60          * by maximum 3 digits (plus an extra byte for safety)
  61          */
  62         static char buffer[sizeof(MP_NODE_RXQ_NAME) + 2];
  63
  64         snprintf(buffer, sizeof(buffer), MP_NODE_RXQ_NAME, id);
  65         return buffer;
  66 }
  67
  68 #define RTE_LOGTYPE_APP RTE_LOGTYPE_USER1
  69
  70 #endif