Imported Upstream version 16.04

[deb_dpdk.git] / examples / ip_pipeline / pipeline / pipeline_common_be.h

diff --git a/examples/ip_pipeline/pipeline/pipeline_common_be.h b/examples/ip_pipeline/pipeline/pipeline_common_be.h
new file mode 100644 (file)
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+++ b/examples/ip_pipeline/pipeline/pipeline_common_be.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2015 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 __INCLUDE_PIPELINE_COMMON_BE_H__
+#define __INCLUDE_PIPELINE_COMMON_BE_H__
+
+#include <rte_common.h>
+#include <rte_ring.h>
+#include <rte_pipeline.h>
+
+#include "pipeline_be.h"
+
+struct pipeline;
+
+enum pipeline_msg_req_type {
+       PIPELINE_MSG_REQ_PING = 0,
+       PIPELINE_MSG_REQ_STATS_PORT_IN,
+       PIPELINE_MSG_REQ_STATS_PORT_OUT,
+       PIPELINE_MSG_REQ_STATS_TABLE,
+       PIPELINE_MSG_REQ_PORT_IN_ENABLE,
+       PIPELINE_MSG_REQ_PORT_IN_DISABLE,
+       PIPELINE_MSG_REQ_CUSTOM,
+       PIPELINE_MSG_REQS
+};
+
+typedef void *(*pipeline_msg_req_handler)(struct pipeline *p, void *msg);
+
+struct pipeline {
+       struct rte_pipeline *p;
+       uint32_t port_in_id[PIPELINE_MAX_PORT_IN];
+       uint32_t port_out_id[PIPELINE_MAX_PORT_OUT];
+       uint32_t table_id[PIPELINE_MAX_TABLES];
+       struct rte_ring *msgq_in[PIPELINE_MAX_MSGQ_IN];
+       struct rte_ring *msgq_out[PIPELINE_MAX_MSGQ_OUT];
+
+       uint32_t n_ports_in;
+       uint32_t n_ports_out;
+       uint32_t n_tables;
+       uint32_t n_msgq;
+
+       pipeline_msg_req_handler handlers[PIPELINE_MSG_REQS];
+       char name[PIPELINE_NAME_SIZE];
+       uint32_t log_level;
+};
+
+enum pipeline_log_level {
+       PIPELINE_LOG_LEVEL_HIGH = 1,
+       PIPELINE_LOG_LEVEL_LOW,
+       PIPELINE_LOG_LEVELS
+};
+
+#define PLOG(p, level, fmt, ...)                                       \
+do {                                                                   \
+       if (p->log_level >= PIPELINE_LOG_LEVEL_ ## level)               \
+               fprintf(stdout, "[%s] " fmt "\n", p->name, ## __VA_ARGS__);\
+} while (0)
+
+static inline void *
+pipeline_msg_recv(struct pipeline *p,
+       uint32_t msgq_id)
+{
+       struct rte_ring *r = p->msgq_in[msgq_id];
+       void *msg;
+       int status = rte_ring_sc_dequeue(r, &msg);
+
+       if (status != 0)
+               return NULL;
+
+       return msg;
+}
+
+static inline void
+pipeline_msg_send(struct pipeline *p,
+       uint32_t msgq_id,
+       void *msg)
+{
+       struct rte_ring *r = p->msgq_out[msgq_id];
+       int status;
+
+       do {
+               status = rte_ring_sp_enqueue(r, msg);
+       } while (status == -ENOBUFS);
+}
+
+struct pipeline_msg_req {
+       enum pipeline_msg_req_type type;
+};
+
+struct pipeline_stats_msg_req {
+       enum pipeline_msg_req_type type;
+       uint32_t id;
+};
+
+struct pipeline_port_in_msg_req {
+       enum pipeline_msg_req_type type;
+       uint32_t port_id;
+};
+
+struct pipeline_custom_msg_req {
+       enum pipeline_msg_req_type type;
+       uint32_t subtype;
+};
+
+struct pipeline_msg_rsp {
+       int status;
+};
+
+struct pipeline_stats_port_in_msg_rsp {
+       int status;
+       struct rte_pipeline_port_in_stats stats;
+};
+
+struct pipeline_stats_port_out_msg_rsp {
+       int status;
+       struct rte_pipeline_port_out_stats stats;
+};
+
+struct pipeline_stats_table_msg_rsp {
+       int status;
+       struct rte_pipeline_table_stats stats;
+};
+
+void *pipeline_msg_req_ping_handler(struct pipeline *p, void *msg);
+void *pipeline_msg_req_stats_port_in_handler(struct pipeline *p, void *msg);
+void *pipeline_msg_req_stats_port_out_handler(struct pipeline *p, void *msg);
+void *pipeline_msg_req_stats_table_handler(struct pipeline *p, void *msg);
+void *pipeline_msg_req_port_in_enable_handler(struct pipeline *p, void *msg);
+void *pipeline_msg_req_port_in_disable_handler(struct pipeline *p, void *msg);
+void *pipeline_msg_req_invalid_handler(struct pipeline *p, void *msg);
+
+int pipeline_msg_req_handle(struct pipeline *p);
+
+#endif