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update to match recent changes

This commit is contained in:
darrenr 2000-02-20 01:03:13 +00:00
parent 4b3916780b
commit 8619d2b757
1 changed files with 13 additions and 4 deletions
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17
share/man/man9/pfil.9
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@ -1,4 +1,4 @@
.\" $NetBSD: pfil.9,v 1.12 1999/06/18 06:03:39 mrg Exp $
.\" $NetBSD: pfil.9,v 1.13 2000/02/20 01:03:13 darrenr Exp $
.\"
.\" Copyright (c) 1996 Matthew R. Green
.\" All rights reserved.
@ -41,11 +41,11 @@
.Fd #include <net/if.h>
.Fd #include <net/pfil.h>
.Ft struct packet_filter_hook *
.Fn pfil_hook_get int
.Fn pfil_hook_get "int" "struct pfil_head *"
.Ft void
.Fn pfil_add_hook "int (*func)()" "int flags"
.Fn pfil_add_hook "int (*func)()" "int flags" "struct pfil_head *"
.Ft void
.Fn pfil_remove_hook "int (*func)()" "int flags"
.Fn pfil_remove_hook "int (*func)()" "int flags" "struct pfil_head *"
.\"(void *, int, struct ifnet *, int, struct mbuf **)
.Sh DESCRIPTION
The
@ -117,6 +117,15 @@ to
structures. This change was to allow the input and output filters to be
processed in reverse order, to allow the same path to be taken, in or out
of the kernel.
.Pp
The
.Nm
interface was changed in 1.4T to accept a 3rd parameter to both
.Fn pfil_add_hook
and
.Fn pfil_remove_hook
, introducing the capability of per-protocol filtering. This was done
primarily in order to support filtering of IPv6.
.Sh BUGS
The current
.Nm