DPDK  17.11.10
examples/quota_watermark/qwctl/qwctl.c
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 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 <fcntl.h>
#include <stdio.h>
#include <termios.h>
#include <unistd.h>
#include <sys/mman.h>
#include <rte_eal.h>
#include <rte_log.h>
#include <rte_memzone.h>
#include <cmdline_rdline.h>
#include <cmdline_parse.h>
#include <cmdline_socket.h>
#include <cmdline.h>
#include "qwctl.h"
#include "commands.h"
#include "../include/conf.h"
int *quota;
unsigned int *low_watermark;
unsigned int *high_watermark;
static void
setup_shared_variables(void)
{
const struct rte_memzone *qw_memzone;
qw_memzone = rte_memzone_lookup(QUOTA_WATERMARK_MEMZONE_NAME);
if (qw_memzone == NULL)
rte_exit(EXIT_FAILURE, "Couldn't find memzone\n");
quota = qw_memzone->addr;
low_watermark = (unsigned int *) qw_memzone->addr + 1;
high_watermark = (unsigned int *) qw_memzone->addr + 2;
}
int main(int argc, char **argv)
{
int ret;
struct cmdline *cl;
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Cannot initialize EAL\n");
setup_shared_variables();
cl = cmdline_stdin_new(qwctl_ctx, "qwctl> ");
if (cl == NULL)
rte_exit(EXIT_FAILURE, "Cannot create cmdline instance\n");
cmdline_interact(cl);
cmdline_stdin_exit(cl);
return 0;
}