Module Name: src
Committed By: yamt
Date: Sat Nov 19 08:53:06 UTC 2022
Modified Files:
src/sys/net: bpf.c
Log Message:
bpf: refresh bd_pid in a few more places as well
This made "netstat -B" show hostapd and wpa_supplicant for me.
kingcrab# netstat -B
Active BPF peers
PID Int Recv Drop Capt Flags Bufsize Comm
433 urtwn0 102 0 2 I-RSH 524288 hostapd
211 urtwn0 102 0 4 I-RS- 32768 dhcpd
670 bwfm0 295 0 2 I-RSH 524288 wpa_supplicant
kingcrab#
To generate a diff of this commit:
cvs rdiff -u -r1.247 -r1.248 src/sys/net/bpf.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/net/bpf.c
diff -u src/sys/net/bpf.c:1.247 src/sys/net/bpf.c:1.248
--- src/sys/net/bpf.c:1.247 Sat Sep 3 10:03:20 2022
+++ src/sys/net/bpf.c Sat Nov 19 08:53:06 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: bpf.c,v 1.247 2022/09/03 10:03:20 riastradh Exp $ */
+/* $NetBSD: bpf.c,v 1.248 2022/11/19 08:53:06 yamt Exp $ */
/*
* Copyright (c) 1990, 1991, 1993
@@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.247 2022/09/03 10:03:20 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.248 2022/11/19 08:53:06 yamt Exp $");
#if defined(_KERNEL_OPT)
#include "opt_bpf.h"
@@ -682,6 +682,11 @@ bpf_read(struct file *fp, off_t *offp, s
int timed_out;
int error;
+ /*
+ * Refresh the PID associated with this bpf file.
+ */
+ d->bd_pid = curproc->p_pid;
+
getnanotime(&d->bd_atime);
/*
* Restrict application to use a buffer the same size as
@@ -817,6 +822,11 @@ bpf_write(struct file *fp, off_t *offp,
struct psref psref;
int bound;
+ /*
+ * Refresh the PID associated with this bpf file.
+ */
+ d->bd_pid = curproc->p_pid;
+
m = NULL; /* XXX gcc */
bound = curlwp_bind();
@@ -1569,6 +1579,11 @@ filt_bpfread(struct knote *kn, long hint
struct bpf_d *d = kn->kn_hook;
int rv;
+ /*
+ * Refresh the PID associated with this bpf file.
+ */
+ d->bd_pid = curproc->p_pid;
+
mutex_enter(d->bd_buf_mtx);
kn->kn_data = d->bd_hlen;
if (d->bd_immediate)
