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authorChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 14:51:32 +0200
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 16:20:45 +0200
commit7595afa4d30097c1177b69257118d8ad89a539be (patch)
tree4bfeadc905c977e45e54a90c42330553b8942e4e /examples/server_node_efd/shared
parentce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff)
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'examples/server_node_efd/shared')
-rw-r--r--examples/server_node_efd/shared/common.h99
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
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+++ b/examples/server_node_efd/shared/common.h
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+/*-
+ * 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