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pfil.c (92725) pfil.c (109623)
1/* $FreeBSD: head/sys/net/pfil.c 92725 2002-03-19 21:54:18Z alfred $ */
1/* $FreeBSD: head/sys/net/pfil.c 109623 2003-01-21 08:56:16Z alfred $ */
2
3/*
4 * Copyright (c) 1996 Matthew R. Green
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:

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56}
57
58/*
59 * pfil_add_hook() adds a function to the packet filter hook. the
60 * flags are:
61 * PFIL_IN call me on incoming packets
62 * PFIL_OUT call me on outgoing packets
63 * PFIL_ALL call me on all of the above
2
3/*
4 * Copyright (c) 1996 Matthew R. Green
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:

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56}
57
58/*
59 * pfil_add_hook() adds a function to the packet filter hook. the
60 * flags are:
61 * PFIL_IN call me on incoming packets
62 * PFIL_OUT call me on outgoing packets
63 * PFIL_ALL call me on all of the above
64 * PFIL_WAITOK OK to call malloc with M_WAITOK.
64 * PFIL_WAITOK OK to call malloc with 0.
65 */
66int
67pfil_add_hook(func, flags, ph)
68 int (*func)(void *, int, struct ifnet *, int, struct mbuf **);
69 int flags;
70 struct pfil_head *ph;
71{
72 int err = 0;

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92pfil_list_add(list, func, flags)
93 pfil_list_t *list;
94 int (*func)(void *, int, struct ifnet *, int, struct mbuf **);
95 int flags;
96{
97 struct packet_filter_hook *pfh;
98
99 pfh = (struct packet_filter_hook *)malloc(sizeof(*pfh), M_IFADDR,
65 */
66int
67pfil_add_hook(func, flags, ph)
68 int (*func)(void *, int, struct ifnet *, int, struct mbuf **);
69 int flags;
70 struct pfil_head *ph;
71{
72 int err = 0;

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92pfil_list_add(list, func, flags)
93 pfil_list_t *list;
94 int (*func)(void *, int, struct ifnet *, int, struct mbuf **);
95 int flags;
96{
97 struct packet_filter_hook *pfh;
98
99 pfh = (struct packet_filter_hook *)malloc(sizeof(*pfh), M_IFADDR,
100 flags & PFIL_WAITOK ? M_WAITOK : M_NOWAIT);
100 flags & PFIL_WAITOK ? 0 : M_NOWAIT);
101 if (pfh == NULL)
102 return ENOMEM;
103 pfh->pfil_func = func;
104 /*
105 * insert the input list in reverse order of the output list
106 * so that the same path is followed in or out of the kernel.
107 */
108

--- 63 unchanged lines hidden --- 		101 if (pfh == NULL)
102 return ENOMEM;
103 pfh->pfil_func = func;
104 /*
105 * insert the input list in reverse order of the output list
106 * so that the same path is followed in or out of the kernel.
107 */
108

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