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98 lines
2.9 KiB
98 lines
2.9 KiB
/*
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* netlink/route/cls/ematch.h Extended Matches
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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) 2008-2010 Thomas Graf <tgraf@suug.ch>
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*/
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#ifndef NETLINK_CLS_EMATCH_H_
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#define NETLINK_CLS_EMATCH_H_
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#include <netlink/netlink.h>
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#include <netlink/msg.h>
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#include <netlink/route/classifier.h>
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#include <linux/pkt_cls.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* FIXME: Should be moved to the kernel header at some point */
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#define RTNL_EMATCH_PROGID 2
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struct rtnl_ematch;
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struct rtnl_ematch_tree;
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/**
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* Extended Match Operations
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*/
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struct rtnl_ematch_ops
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{
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int eo_kind;
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const char * eo_name;
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size_t eo_minlen;
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size_t eo_datalen;
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int (*eo_parse)(struct rtnl_ematch *, void *, size_t);
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void (*eo_dump)(struct rtnl_ematch *,
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struct nl_dump_params *);
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int (*eo_fill)(struct rtnl_ematch *, struct nl_msg *);
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void (*eo_free)(struct rtnl_ematch *);
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struct nl_list_head eo_list;
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};
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extern int rtnl_ematch_register(struct rtnl_ematch_ops *);
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extern struct rtnl_ematch_ops * rtnl_ematch_lookup_ops(int);
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extern struct rtnl_ematch_ops * rtnl_ematch_lookup_ops_by_name(const char *);
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extern struct rtnl_ematch * rtnl_ematch_alloc(void);
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extern int rtnl_ematch_add_child(struct rtnl_ematch *,
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struct rtnl_ematch *);
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extern void rtnl_ematch_unlink(struct rtnl_ematch *);
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extern void rtnl_ematch_free(struct rtnl_ematch *);
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extern void * rtnl_ematch_data(struct rtnl_ematch *);
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extern void rtnl_ematch_set_flags(struct rtnl_ematch *,
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uint16_t);
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extern void rtnl_ematch_unset_flags(struct rtnl_ematch *,
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uint16_t);
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extern uint16_t rtnl_ematch_get_flags(struct rtnl_ematch *);
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extern int rtnl_ematch_set_ops(struct rtnl_ematch *,
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struct rtnl_ematch_ops *);
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extern int rtnl_ematch_set_kind(struct rtnl_ematch *,
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uint16_t);
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extern int rtnl_ematch_set_name(struct rtnl_ematch *,
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const char *);
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extern struct rtnl_ematch_tree *rtnl_ematch_tree_alloc(uint16_t);
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extern void rtnl_ematch_tree_free(struct rtnl_ematch_tree *);
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extern void rtnl_ematch_tree_add(struct rtnl_ematch_tree *,
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struct rtnl_ematch *);
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extern struct rtnl_ematch_tree *rtnl_ematch_tree_clone(struct rtnl_ematch_tree *);
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extern int rtnl_ematch_parse_attr(struct nlattr *,
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struct rtnl_ematch_tree **);
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extern int rtnl_ematch_fill_attr(struct nl_msg *, int,
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struct rtnl_ematch_tree *);
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extern void rtnl_ematch_tree_dump(struct rtnl_ematch_tree *,
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struct nl_dump_params *);
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extern int rtnl_ematch_parse_expr(const char *, char **,
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struct rtnl_ematch_tree **);
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extern char * rtnl_ematch_offset2txt(uint8_t, uint16_t,
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char *, size_t);
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extern char * rtnl_ematch_opnd2txt(uint8_t, char *, size_t);
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#ifdef __cplusplus
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}
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#endif
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#endif
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