1 files changed, 146 insertions, 0 deletions

diff --git a/common/VIL/pipeline_common/pipeline_common_be.h b/common/VIL/pipeline_common/pipeline_common_be.h
new file mode 100644
index 00000000..f3e937e6
--- /dev/null
+++ b/common/VIL/pipeline_common/pipeline_common_be.h
@@ -0,0 +1,146 @@
+/*
+// Copyright (c) 2017 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#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