1/* $FreeBSD: head/sys/net/pfil.h 135920 2004-09-29 04:54:33Z mlaier $ */ |
2/* $NetBSD: pfil.h,v 1.22 2003/06/23 12:57:08 martin Exp $ */ 3 4/* 5 * Copyright (c) 1996 Matthew R. Green 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions --- 25 unchanged lines hidden (view full) --- 35#include <sys/systm.h> 36#include <sys/queue.h> 37#include <sys/_lock.h> 38#include <sys/_mutex.h> 39#include <sys/condvar.h> /* XXX */ 40 41struct mbuf; 42struct ifnet; |
43struct inpcb; |
44 45/* 46 * The packet filter hooks are designed for anything to call them to 47 * possibly intercept the packet. 48 */ 49struct packet_filter_hook { 50 TAILQ_ENTRY(packet_filter_hook) pfil_link; |
51 int (*pfil_func)(void *, struct mbuf **, struct ifnet *, int, struct inpcb *); |
52 void *pfil_arg; 53 int pfil_flags; 54}; 55 56#define PFIL_IN 0x00000001 57#define PFIL_OUT 0x00000002 58#define PFIL_WAITOK 0x00000004 59#define PFIL_ALL (PFIL_IN|PFIL_OUT) --- 20 unchanged lines hidden (view full) --- 80 void *phu_ptr; 81 } ph_un; 82#define ph_af ph_un.phu_val 83#define ph_ifnet ph_un.phu_ptr 84 LIST_ENTRY(pfil_head) ph_list; 85}; 86 87int pfil_run_hooks(struct pfil_head *, struct mbuf **, struct ifnet *, |
88 int, struct inpcb *inp); |
89 90int pfil_add_hook(int (*func)(void *, struct mbuf **, |
91 struct ifnet *, int, struct inpcb *), void *, int, struct pfil_head *); |
92int pfil_remove_hook(int (*func)(void *, struct mbuf **, |
93 struct ifnet *, int, struct inpcb *), void *, int, struct pfil_head *); |
94 95int pfil_head_register(struct pfil_head *); 96int pfil_head_unregister(struct pfil_head *); 97 98struct pfil_head *pfil_head_get(int, u_long); 99 100static __inline struct packet_filter_hook * 101pfil_hook_get(int dir, struct pfil_head *ph) --- 12 unchanged lines hidden --- |