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/*
// 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
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