diff options
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/bpf.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/sys/net/bpf.c b/sys/net/bpf.c index dd09ae44a7e..e13c4202bd7 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bpf.c,v 1.22 2000/06/19 03:00:51 jason Exp $ */ +/* $OpenBSD: bpf.c,v 1.23 2001/03/13 05:09:51 mickey Exp $ */ /* $NetBSD: bpf.c,v 1.33 1997/02/21 23:59:35 thorpej Exp $ */ /* @@ -87,7 +87,8 @@ int bpf_bufsize = BPF_BUFSIZE; * bpf_dtab holds the descriptors, indexed by minor device # */ struct bpf_if *bpf_iflist; -struct bpf_d bpf_dtab[NBPFILTER]; +struct bpf_d *bpf_dtab; +int nbpfilter; int bpf_allocbufs __P((struct bpf_d *)); void bpf_freed __P((struct bpf_d *)); @@ -286,11 +287,16 @@ bpfilterattach(n) { int i; + bpf_dtab = malloc(n * sizeof(*bpf_dtab), M_DEVBUF, M_NOWAIT); + if (!bpf_dtab) + return; + nbpfilter = n; + bzero(bpf_dtab, n * sizeof(*bpf_dtab)); /* * Mark all the descriptors free if this hasn't been done. */ if (!D_ISFREE(&bpf_dtab[0])) - for (i = 0; i < NBPFILTER; ++i) + for (i = 0; i < nbpfilter; ++i) D_MARKFREE(&bpf_dtab[i]); } @@ -308,7 +314,7 @@ bpfopen(dev, flag, mode, p) { register struct bpf_d *d; - if (minor(dev) >= NBPFILTER) + if (minor(dev) >= nbpfilter) return (ENXIO); /* * Each minor can be opened by only one process. If the requested @@ -1238,7 +1244,7 @@ bpfdetach(ifp) * Locate the minor number and nuke the vnode * for any open instance. */ - for (mn = 0; mn < NBPFILTER; mn++) + for (mn = 0; mn < nbpfilter; mn++) if (&bpf_dtab[mn] == bd) { vdevgone(maj, mn, mn, VCHR); break; |