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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
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