DPDK  2.2.0
ip_pipeline/pipeline/pipeline_common_be.c
/*-
* 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.
*/
#include <rte_common.h>
#include <rte_ring.h>
#include <rte_malloc.h>
#include "pipeline_common_be.h"
void *
pipeline_msg_req_ping_handler(__rte_unused struct pipeline *p,
void *msg)
{
struct pipeline_msg_rsp *rsp = msg;
rsp->status = 0; /* OK */
return rsp;
}
void *
pipeline_msg_req_stats_port_in_handler(struct pipeline *p,
void *msg)
{
struct pipeline_stats_msg_req *req = msg;
struct pipeline_stats_port_in_msg_rsp *rsp = msg;
uint32_t port_id;
/* Check request */
if (req->id >= p->n_ports_in) {
rsp->status = -1;
return rsp;
}
port_id = p->port_in_id[req->id];
/* Process request */
rsp->status = rte_pipeline_port_in_stats_read(p->p,
port_id,
&rsp->stats,
1);
return rsp;
}
void *
pipeline_msg_req_stats_port_out_handler(struct pipeline *p,
void *msg)
{
struct pipeline_stats_msg_req *req = msg;
struct pipeline_stats_port_out_msg_rsp *rsp = msg;
uint32_t port_id;
/* Check request */
if (req->id >= p->n_ports_out) {
rsp->status = -1;
return rsp;
}
port_id = p->port_out_id[req->id];
/* Process request */
port_id,
&rsp->stats,
1);
return rsp;
}
void *
pipeline_msg_req_stats_table_handler(struct pipeline *p,
void *msg)
{
struct pipeline_stats_msg_req *req = msg;
struct pipeline_stats_table_msg_rsp *rsp = msg;
uint32_t table_id;
/* Check request */
if (req->id >= p->n_tables) {
rsp->status = -1;
return rsp;
}
table_id = p->table_id[req->id];
/* Process request */
rsp->status = rte_pipeline_table_stats_read(p->p,
table_id,
&rsp->stats,
1);
return rsp;
}
void *
pipeline_msg_req_port_in_enable_handler(struct pipeline *p,
void *msg)
{
struct pipeline_port_in_msg_req *req = msg;
struct pipeline_msg_rsp *rsp = msg;
uint32_t port_id;
/* Check request */
if (req->port_id >= p->n_ports_in) {
rsp->status = -1;
return rsp;
}
port_id = p->port_in_id[req->port_id];
/* Process request */
rsp->status = rte_pipeline_port_in_enable(p->p,
port_id);
return rsp;
}
void *
pipeline_msg_req_port_in_disable_handler(struct pipeline *p,
void *msg)
{
struct pipeline_port_in_msg_req *req = msg;
struct pipeline_msg_rsp *rsp = msg;
uint32_t port_id;
/* Check request */
if (req->port_id >= p->n_ports_in) {
rsp->status = -1;
return rsp;
}
port_id = p->port_in_id[req->port_id];
/* Process request */
rsp->status = rte_pipeline_port_in_disable(p->p,
port_id);
return rsp;
}
void *
pipeline_msg_req_invalid_handler(__rte_unused struct pipeline *p,
void *msg)
{
struct pipeline_msg_rsp *rsp = msg;
rsp->status = -1; /* Error */
return rsp;
}
int
pipeline_msg_req_handle(struct pipeline *p)
{
uint32_t msgq_id;
for (msgq_id = 0; msgq_id < p->n_msgq; msgq_id++) {
for ( ; ; ) {
struct pipeline_msg_req *req;
pipeline_msg_req_handler f_handle;
req = pipeline_msg_recv(p, msgq_id);
if (req == NULL)
break;
f_handle = (req->type < PIPELINE_MSG_REQS) ?
p->handlers[req->type] :
pipeline_msg_req_invalid_handler;
if (f_handle == NULL)
f_handle = pipeline_msg_req_invalid_handler;
pipeline_msg_send(p,
msgq_id,
f_handle(p, (void *) req));
}
}
return 0;
}