add bpfstat - a program to retrieve bpf statistics

Submitted by:	csjp

net/Makefile

@@ -54,6 +54,7 @@
     SUBDIR += boclient
     SUBDIR += boinc-client
     SUBDIR += bounce
+    SUBDIR += bpfstat
     SUBDIR += brutecopy
     SUBDIR += bsdproxy
     SUBDIR += bsflite

net/bpfstat/Makefile

@@ -0,0 +1,25 @@
+# New ports collection makefile for:    bpfstat
+# Date created:         27 July 2005
+# Whom:                 Christian S.J. Peron <csjp@FreeBSD.org>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	bpfstat
+PORTVERSION=	1.0
+CATEGORIES=	net
+MASTER_SITES=	http://people.freebsd.org/~csjp/
+
+MAINTAINER=	csjp@FreeBSD.org
+COMMENT=	Program to retrieve bpf statistics
+
+MAN8=		bpfstat.8
+PLIST_FILES=	sbin/bpfstat
+
+.include <bsd.port.pre.mk>
+
+.if ${OSVERSION} < 600033
+IGNORE=		will only work on systems >= 600033
+.endif
+
+.include <bsd.port.post.mk>

net/bpfstat/distinfo

@@ -0,0 +1,2 @@
+MD5 (bpfstat-1.0.tar.gz) = 2923d3b59adf222e78d11823d31e0a93
+SIZE (bpfstat-1.0.tar.gz) = 3442

net/bpfstat/lala

@@ -0,0 +1,57 @@
+@@ -33,7 +33,7 @@
+  *
+  *      @(#)bpfdesc.h	8.1 (Berkeley) 6/10/93
+  *
+- * $FreeBSD: /tmp/pcvs/ports/net/bpfstat/Attic/lala,v 1.1 2005-07-31 01:16:03 oliver Exp $
++ * $FreeBSD: /tmp/pcvs/ports/net/bpfstat/Attic/lala,v 1.1 2005-07-31 01:16:03 oliver Exp $
+  */
+ 
+ #ifndef _NET_BPFDESC_H_
+@@ -42,6 +42,8 @@
+ #include <sys/callout.h>
+ #include <sys/selinfo.h>
+ #include <sys/queue.h>
++#include <sys/conf.h>
++#include <net/if.h>
+ 
+ /*
+  * Descriptor associated with each open bpf file.
+@@ -90,6 +92,9 @@ struct bpf_d {
+ 	struct mtx	bd_mtx;		/* mutex for this descriptor */
+ 	struct callout	bd_callout;	/* for BPF timeouts with select */
+ 	struct label	*bd_label;	/* MAC label for descriptor */
++	u_long		bd_fcount;	/* number of packets which matched filter */
++	pid_t		bd_pid;		/* PID which created descriptor */
++	char		bd_pcomm[MAXCOMLEN + 1];
+ };
+ 
+ /* Values for bd_state */
+@@ -121,6 +126,27 @@ struct bpf_if {
+ 	u_int bif_hdrlen;		/* length of header (with padding) */
+ 	struct ifnet *bif_ifp;		/* corresponding interface */
+ 	struct mtx	bif_mtx;	/* mutex for interface */
++};
++
++/*
++ * External representation of the bpf descriptor
++ */
++struct xbpf_d {
++	u_char		bd_promisc;
++	u_char		bd_immediate;
++	int		bd_hdrcmplt;
++	int		bd_seesent;
++	int		bd_async;
++	u_long		bd_rcount;
++	u_long		bd_dcount;
++	u_long		bd_fcount;
++	int		bd_sig;
++	int		bd_slen;
++	int		bd_hlen;
++	int		bd_bufsize;
++	pid_t		bd_pid;
++	char		bd_ifname[IFNAMSIZ];
++	char		bd_pcomm[MAXCOMLEN + 1];
+ };
+ 
+ #define BPFIF_LOCK(bif)		mtx_lock(&(bif)->bif_mtx)
+

net/bpfstat/pkg-descr

@@ -0,0 +1,6 @@
+The bpfstat utility will print statistics associated with active bpf(4)
+devices.  These statistics contain information about device state as well
+as packets which have been received, dropped or matched by the bpf filter
+program.
+
+WWW: http://people.freebsd.org/~csjp/