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Diffstat (limited to 'examples/server_node_efd/shared/common.h')
| -rw-r--r-- | examples/server_node_efd/shared/common.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/examples/server_node_efd/shared/common.h b/examples/server_node_efd/shared/common.h new file mode 100644 index 00000000..8a134799 --- /dev/null +++ b/examples/server_node_efd/shared/common.h @@ -0,0 +1,99 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016-2017 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_ + +#include <rte_hash_crc.h> +#include <rte_hash.h> + +#define MAX_NODES 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 nodes, so we have a distinct set, on different + * cache lines for each node 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 filter_stats { + uint64_t drop; + uint64_t passed; +} __rte_cache_aligned; + +struct shared_info { + uint8_t num_nodes; + uint8_t num_ports; + uint32_t num_flows; + uint8_t id[RTE_MAX_ETHPORTS]; + struct rx_stats rx_stats; + struct tx_stats tx_stats[MAX_NODES]; + struct filter_stats filter_stats[MAX_NODES]; +}; + +/* define common names for structures shared between server and node */ +#define MP_NODE_RXQ_NAME "MProc_Node_%u_RX" +#define PKTMBUF_POOL_NAME "MProc_pktmbuf_pool" +#define MZ_SHARED_INFO "MProc_shared_info" + +/* + * Given the rx queue name template above, get the queue name + */ +static inline const char * +get_rx_queue_name(unsigned int 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_NODE_RXQ_NAME) + 2]; + + snprintf(buffer, sizeof(buffer) - 1, MP_NODE_RXQ_NAME, id); + return buffer; +} + +#define RTE_LOGTYPE_APP RTE_LOGTYPE_USER1 + +#endif |