/usr/include/libnl3/netlink/route/tc.h is in libnl-3-dev 3.2.27-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* netlink/route/tc.h Traffic Control
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2011 Thomas Graf <tgraf@suug.ch>
*/
#ifndef NETLINK_TC_H_
#define NETLINK_TC_H_
#include <netlink/netlink.h>
#include <netlink/cache.h>
#include <netlink/data.h>
#include <netlink/route/link.h>
#include <linux/pkt_sched.h>
#include <linux/pkt_cls.h>
#ifdef __cplusplus
extern "C" {
#endif
enum rtnl_tc_type {
RTNL_TC_TYPE_QDISC,
RTNL_TC_TYPE_CLASS,
RTNL_TC_TYPE_CLS,
RTNL_TC_TYPE_ACT,
__RTNL_TC_TYPE_MAX,
};
#define RTNL_TC_TYPE_MAX (__RTNL_TC_TYPE_MAX - 1)
/**
* Compute tc handle based on major and minor parts
* @ingroup tc
*/
#define TC_HANDLE(maj, min) (TC_H_MAJ((maj) << 16) | TC_H_MIN(min))
/**
* Traffic control object
* @ingroup tc
*/
struct rtnl_tc;
/**
* Macro to cast qdisc/class/classifier to tc object
* @ingroup tc
*
* @code
* rtnl_tc_set_mpu(TC_CAST(qdisc), 40);
* @endcode
*/
#define TC_CAST(ptr) ((struct rtnl_tc *) (ptr))
/**
* Traffic control statistical identifier
* @ingroup tc
*
* @code
* uint64_t n = rtnl_tc_get_stat(TC_CAST(class), RTNL_TC_PACKETS);
* @endcode
*/
enum rtnl_tc_stat {
RTNL_TC_PACKETS, /**< Number of packets seen */
RTNL_TC_BYTES, /**< Total bytes seen */
RTNL_TC_RATE_BPS, /**< Current bits/s (rate estimator) */
RTNL_TC_RATE_PPS, /**< Current packet/s (rate estimator) */
RTNL_TC_QLEN, /**< Current queue length */
RTNL_TC_BACKLOG, /**< Current backlog length */
RTNL_TC_DROPS, /**< Total number of packets dropped */
RTNL_TC_REQUEUES, /**< Total number of requeues */
RTNL_TC_OVERLIMITS, /**< Total number of overlimits */
__RTNL_TC_STATS_MAX,
};
#define RTNL_TC_STATS_MAX (__RTNL_TC_STATS_MAX - 1)
extern void rtnl_tc_set_ifindex(struct rtnl_tc *, int);
extern int rtnl_tc_get_ifindex(struct rtnl_tc *);
extern void rtnl_tc_set_link(struct rtnl_tc *, struct rtnl_link *);
extern struct rtnl_link *rtnl_tc_get_link(struct rtnl_tc *);
extern void rtnl_tc_set_mtu(struct rtnl_tc *, uint32_t);
extern uint32_t rtnl_tc_get_mtu(struct rtnl_tc *);
extern void rtnl_tc_set_mpu(struct rtnl_tc *, uint32_t);
extern uint32_t rtnl_tc_get_mpu(struct rtnl_tc *);
extern void rtnl_tc_set_overhead(struct rtnl_tc *, uint32_t);
extern uint32_t rtnl_tc_get_overhead(struct rtnl_tc *);
extern void rtnl_tc_set_linktype(struct rtnl_tc *, uint32_t);
extern uint32_t rtnl_tc_get_linktype(struct rtnl_tc *);
extern void rtnl_tc_set_handle(struct rtnl_tc *, uint32_t);
extern uint32_t rtnl_tc_get_handle(struct rtnl_tc *);
extern void rtnl_tc_set_parent(struct rtnl_tc *, uint32_t);
extern uint32_t rtnl_tc_get_parent(struct rtnl_tc *);
extern int rtnl_tc_set_kind(struct rtnl_tc *, const char *);
extern char * rtnl_tc_get_kind(struct rtnl_tc *);
extern uint64_t rtnl_tc_get_stat(struct rtnl_tc *, enum rtnl_tc_stat);
extern char * rtnl_tc_stat2str(enum rtnl_tc_stat, char *, size_t);
extern int rtnl_tc_str2stat(const char *);
extern int rtnl_tc_calc_txtime(int, int);
extern int rtnl_tc_calc_bufsize(int, int);
extern int rtnl_tc_calc_cell_log(int);
extern int rtnl_tc_read_classid_file(void);
extern char * rtnl_tc_handle2str(uint32_t, char *, size_t);
extern int rtnl_tc_str2handle(const char *, uint32_t *);
extern int rtnl_classid_generate(const char *, uint32_t *,
uint32_t);
#ifdef __cplusplus
}
#endif
#endif
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