[src/trunk]: src/sys/net Implement bpfdetach().

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9bbfdb7e008d
branches:  trunk
changeset: 481487:9bbfdb7e008d
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Mon Jan 31 23:06:12 2000 +0000

description:
Implement bpfdetach().

diffstat:

 sys/net/bpf.c |  21 ++++++++++++++++++++-
 sys/net/bpf.h |   3 ++-
 2 files changed, 22 insertions(+), 2 deletions(-)

diffs (52 lines):

diff -r 8b36ec8a42f6 -r 9bbfdb7e008d sys/net/bpf.c
--- a/sys/net/bpf.c     Mon Jan 31 22:56:14 2000 +0000
+++ b/sys/net/bpf.c     Mon Jan 31 23:06:12 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bpf.c,v 1.47 1999/05/11 02:11:08 thorpej Exp $ */
+/*     $NetBSD: bpf.c,v 1.48 2000/01/31 23:06:12 thorpej Exp $ */
 
 /*
  * Copyright (c) 1990, 1991, 1993
@@ -1340,6 +1340,25 @@
 }
 
 /*
+ * Remove an interface from bpf.
+ */
+void
+bpfdetach(ifp)
+       struct ifnet *ifp;
+{
+       struct bpf_if *bp, **pbp;
+
+       for (bp = bpf_iflist, pbp = &bpf_iflist;
+            bp != NULL; pbp = &bp->bif_next, bp = bp->bif_next) {
+               if (bp->bif_ifp == ifp) {
+                       *pbp = bp->bif_next;
+                       free(bp, M_DEVBUF);
+                       break;
+               }
+       }
+}
+
+/*
  * Change the data link type of a BPF instance.
  */
 void
diff -r 8b36ec8a42f6 -r 9bbfdb7e008d sys/net/bpf.h
--- a/sys/net/bpf.h     Mon Jan 31 22:56:14 2000 +0000
+++ b/sys/net/bpf.h     Mon Jan 31 23:06:12 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bpf.h,v 1.24 1999/09/13 10:31:43 itojun Exp $  */
+/*     $NetBSD: bpf.h,v 1.25 2000/01/31 23:06:12 thorpej Exp $ */
 
 /*
  * Copyright (c) 1990, 1991, 1993
@@ -271,6 +271,7 @@
 void    bpf_tap __P((caddr_t, u_char *, u_int));
 void    bpf_mtap __P((caddr_t, struct mbuf *));
 void    bpfattach __P((caddr_t *, struct ifnet *, u_int, u_int));
+void    bpfdetach __P((struct ifnet *));
 void    bpf_change_type __P((caddr_t *, u_int, u_int));
 void    bpfilterattach __P((int));
 #endif