64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
/*
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* BIRD Internet Routing Daemon -- Filters
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*
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* (c) 1999 Pavel Machek <pavel@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_FILT_H_
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#define _BIRD_FILT_H_
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#include "lib/resource.h"
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struct f_inst { /* Instruction */
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struct f_inst *next; /* Structure is 16 bytes, anyway */
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int code;
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void *arg1, *arg2;
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};
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struct f_val {
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int type;
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union {
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int i;
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} val;
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};
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struct filter {
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char *name;
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struct f_inst *root;
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};
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void filters_postconfig(void);
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struct f_inst *f_new_inst(void);
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int f_run(struct filter *filter, struct rte *rtein, struct rte **rteout);
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#define F_ACCEPT 1
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#define F_REJECT 2
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#define F_MODIFY 3
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#define F_ERROR 4
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#define F_QUITBIRD 5
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/* Type numbers must be in 0..0xff range */
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#define T_MASK 0xff
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/* Internal types */
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#define T_VOID 0
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#define T_RETURN 1
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/* User visible types, which fit in int */
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#define T_INT 0x10
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#define T_BOOL 0x11
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#define T_PAIR 0x12
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#define T_ENUM 0x13
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/* Bigger ones */
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#define T_IP 0x20
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#define T_PREFIX 0x21
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#define T_STRING 0x22
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#define T_SET 0x80
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#endif
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