diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man4/bpf.4 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/share/man/man4/bpf.4 b/share/man/man4/bpf.4 index db3cb2f9283..59caba0ac2a 100644 --- a/share/man/man4/bpf.4 +++ b/share/man/man4/bpf.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: bpf.4,v 1.21 2004/03/21 19:47:59 miod Exp $ +.\" $OpenBSD: bpf.4,v 1.22 2004/05/31 17:06:37 canacar Exp $ .\" $NetBSD: bpf.4,v 1.7 1995/09/27 18:31:50 thorpej Exp $ .\" .\" Copyright (c) 1990 The Regents of the University of California. @@ -30,7 +30,7 @@ .Nm bpf .Nd Berkeley Packet Filter .Sh SYNOPSIS -.Cd "pseudo-device bpfilter" Op Ar count +.Cd "pseudo-device bpfilter" .Sh DESCRIPTION The Berkeley Packet Filter provides a raw interface to data link layers in a protocol-independent fashion. @@ -47,16 +47,16 @@ network interface with the ioctl. A given interface can be shared between multiple listeners, and the filter underlying each descriptor will see an identical packet stream. -The total number of open files is limited to the value given in the kernel -configuration; the example given in the -.Sx SYNOPSIS -above sets the limit to 8. .Pp A separate device file is required for each minor device. If a file is in use, the open will fail and .Va errno will be set to .Er EBUSY . +The number of open files can be increased by creating additional +device nodes with the +.Xr MAKEDEV 8 +script. .Pp Associated with each open instance of a .Nm @@ -942,6 +942,7 @@ struct bpf_insn insns[] = { .Xr read 2 , .Xr select 2 , .Xr signal 3 , +.Xr MAKEDEV 8 , .Xr tcpdump 8 .Rs .%A McCanne, S. |