/*

 * Copyright (c) 2020 Red Hat, Inc.

 *

 * 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.

 */

#include <config.h>

#include "smap.h"

#include "ovs-thread.h"

#include "openvswitch/vlog.h"

#include "dpdk.h"

#include "userspace-tso.h"

#include "vswitch-idl.h"

VLOG_DEFINE_THIS_MODULE(userspace_tso);

static bool userspace_tso = false;

void

userspace_tso_init(const struct smap *ovs_other_config)

{

    if (smap_get_bool(ovs_other_config, "userspace-tso-enable", false)) {

        static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;

        if (ovsthread_once_start(&once)) {

            VLOG_INFO("Userspace TCP Segmentation Offloading support enabled");

            userspace_tso = true;

            ovsthread_once_done(&once);

        }

    }

}

bool

userspace_tso_enabled(void)

{

    return userspace_tso;

}