ovs/lib/tc.h

/*
 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Nicira, 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.
 */

#ifndef TC_H
#define TC_H 1

#include <linux/pkt_cls.h>
#include <linux/pkt_sched.h>
#include <linux/rtnetlink.h>
#include "openvswitch/ofpbuf.h"

/* Returns tc handle 'major':'minor'. */
static inline unsigned int
tc_make_handle(unsigned int major, unsigned int minor)
{
    return TC_H_MAKE(major << 16, minor);
}

/* Returns the major number from 'handle'. */
static inline unsigned int
tc_get_major(unsigned int handle)
{
    return TC_H_MAJ(handle) >> 16;
}

/* Returns the minor number from 'handle'. */
static inline unsigned int
tc_get_minor(unsigned int handle)
{
    return TC_H_MIN(handle);
}

struct tcmsg *tc_make_request(int ifindex, int type,
                              unsigned int flags, struct ofpbuf *);
int tc_transact(struct ofpbuf *request, struct ofpbuf **replyp);
int tc_add_del_ingress_qdisc(int ifindex, bool add);

#endif /* tc.h */