144 lines
3.2 KiB
C
144 lines
3.2 KiB
C
/*
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* netlink/route/tc-api.h Traffic Control API
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2011 Thomas Graf <tgraf@suug.ch>
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*/
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#ifndef NETLINK_TC_API_H_
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#define NETLINK_TC_API_H_
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#include <netlink/netlink.h>
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#include <netlink/msg.h>
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#include <netlink/route/tc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum rtnl_tc_type {
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RTNL_TC_TYPE_QDISC,
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RTNL_TC_TYPE_CLASS,
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RTNL_TC_TYPE_CLS,
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__RTNL_TC_TYPE_MAX,
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};
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#define RTNL_TC_TYPE_MAX (__RTNL_TC_TYPE_MAX - 1)
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/**
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* Traffic control object operations
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* @ingroup tc
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*
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* This structure holds function pointers and settings implementing
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* the features of each traffic control object implementation.
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*/
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struct rtnl_tc_ops
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{
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/**
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* Name of traffic control module
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*/
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char *to_kind;
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/**
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* Type of traffic control object
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*/
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enum rtnl_tc_type to_type;
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/**
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* Size of private data
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*/
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size_t to_size;
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/**
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* Dump callbacks
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*/
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void (*to_dump[NL_DUMP_MAX+1])(struct rtnl_tc *, void *,
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struct nl_dump_params *);
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/**
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* Used to fill the contents of TCA_OPTIONS
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*/
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int (*to_msg_fill)(struct rtnl_tc *, void *, struct nl_msg *);
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/**
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* Uesd to to fill tc related messages, unlike with to_msg_fill,
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* the contents is not encapsulated with a TCA_OPTIONS nested
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* attribute.
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*/
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int (*to_msg_fill_raw)(struct rtnl_tc *, void *, struct nl_msg *);
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/**
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* TCA_OPTIONS message parser
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*/
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int (*to_msg_parser)(struct rtnl_tc *, void *);
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/**
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* Called before a tc object is destroyed
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*/
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void (*to_free_data)(struct rtnl_tc *, void *);
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/**
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* Called whenever a classifier object needs to be cloned
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*/
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int (*to_clone)(void *, void *);
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/**
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* Internal, don't touch
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*/
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struct nl_list_head to_list;
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};
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struct rtnl_tc_type_ops
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{
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enum rtnl_tc_type tt_type;
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char *tt_dump_prefix;
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/**
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* Dump callbacks
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*/
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void (*tt_dump[NL_DUMP_MAX+1])(struct rtnl_tc *,
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struct nl_dump_params *);
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};
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extern int rtnl_tc_msg_parse(struct nlmsghdr *,
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struct rtnl_tc *);
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extern int rtnl_tc_msg_build(struct rtnl_tc *, int,
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int, struct nl_msg **);
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extern void rtnl_tc_free_data(struct nl_object *);
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extern int rtnl_tc_clone(struct nl_object *,
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struct nl_object *);
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extern void rtnl_tc_dump_line(struct nl_object *,
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struct nl_dump_params *);
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extern void rtnl_tc_dump_details(struct nl_object *,
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struct nl_dump_params *);
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extern void rtnl_tc_dump_stats(struct nl_object *,
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struct nl_dump_params *);
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extern int rtnl_tc_compare(struct nl_object *,
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struct nl_object *,
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uint32_t, int);
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extern void * rtnl_tc_data(struct rtnl_tc *);
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extern void * rtnl_tc_data_check(struct rtnl_tc *,
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struct rtnl_tc_ops *);
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extern struct rtnl_tc_ops * rtnl_tc_lookup_ops(enum rtnl_tc_type,
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const char *);
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extern struct rtnl_tc_ops * rtnl_tc_get_ops(struct rtnl_tc *);
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extern int rtnl_tc_register(struct rtnl_tc_ops *);
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extern void rtnl_tc_unregister(struct rtnl_tc_ops *);
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extern void rtnl_tc_type_register(struct rtnl_tc_type_ops *);
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extern void rtnl_tc_type_unregister(struct rtnl_tc_type_ops *);
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#ifdef __cplusplus
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}
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#endif
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#endif
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