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[src/trunk]: src Restore ARP/NDP entries to route show and netstat -r
details: https://anonhg.NetBSD.org/src/rev/77ec9f80856e
branches: trunk
changeset: 354755:77ec9f80856e
user: ozaki-r <ozaki-r%NetBSD.org@localhost>
date: Wed Jun 28 04:14:53 2017 +0000
description:
Restore ARP/NDP entries to route show and netstat -r
Requested by dyoung@ some time ago
diffstat:
sbin/route/rtutil.c | 12 +++++++-
sys/net/if_llatbl.c | 11 +++++++-
sys/net/rtsock.c | 24 ++++++++++++++----
tests/net/arp/t_arp.sh | 57 +++++++++++++++++++++++++++++++++-----------
tests/net/ndp/t_ndp.sh | 12 ++++++++-
tests/net/route/t_flags.sh | 17 ++++++++++++-
tests/net/route/t_flags6.sh | 17 ++++++++++++-
7 files changed, 123 insertions(+), 27 deletions(-)
diffs (truncated from 385 to 300 lines):
diff -r 99ec6a5552bb -r 77ec9f80856e sbin/route/rtutil.c
--- a/sbin/route/rtutil.c Wed Jun 28 04:10:47 2017 +0000
+++ b/sbin/route/rtutil.c Wed Jun 28 04:14:53 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rtutil.c,v 1.8 2016/04/04 07:37:07 ozaki-r Exp $ */
+/* $NetBSD: rtutil.c,v 1.9 2017/06/28 04:14:53 ozaki-r Exp $ */
/* $OpenBSD: show.c,v 1.1 2006/05/27 19:16:37 claudio Exp $ */
/*
@@ -59,6 +59,11 @@
#include "prog_ops.h"
#include "rtutil.h"
+/*
+ * Keep to handle ARP/NDP entries (fake routes)
+ * for backward compatibility.
+ */
+#define RTF_LLINFO 0x400
#define PLEN (LONG_BIT / 4 + 2)
#define PFKEYV2_CHUNK sizeof(u_int64_t)
@@ -84,7 +89,7 @@
/* { RTF_CLONING, 'C' }, */
{ RTF_CONNECTED, 'C' },
/* { RTF_XRESOLVE, 'X' }, */
- /* { RTF_LLINFO, 'L' }, */
+ { RTF_LLINFO, 'L' },
{ RTF_STATIC, 'S' },
{ RTF_PROTO1, '1' },
{ RTF_PROTO2, '2' },
@@ -263,6 +268,9 @@
char ifbuf[IF_NAMESIZE];
#endif
+ if ((flags & RT_LFLAG) && (rtm->rtm_flags & RTF_LLINFO))
+ return;
+
if (old_af != sa->sa_family) {
old_af = sa->sa_family;
p_family(sa->sa_family);
diff -r 99ec6a5552bb -r 77ec9f80856e sys/net/if_llatbl.c
--- a/sys/net/if_llatbl.c Wed Jun 28 04:10:47 2017 +0000
+++ b/sys/net/if_llatbl.c Wed Jun 28 04:14:53 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_llatbl.c,v 1.20 2017/06/23 05:46:10 ozaki-r Exp $ */
+/* $NetBSD: if_llatbl.c,v 1.21 2017/06/28 04:14:53 ozaki-r Exp $ */
/*
* Copyright (c) 2004 Luigi Rizzo, Alessandro Cerri. All rights reserved.
* Copyright (c) 2004-2008 Qing Li. All rights reserved.
@@ -80,6 +80,8 @@
lltable_dump_entry(struct lltable *llt, struct llentry *lle,
struct rt_walkarg *w, struct sockaddr *sa)
{
+#define RTF_LLINFO 0x400
+#define RTF_CLONED 0x2000
struct ifnet *ifp = llt->llt_ifp;
int error;
void *a;
@@ -107,9 +109,14 @@
struct rt_msghdr *rtm = (struct rt_msghdr *)w->w_tmem;
/* Need to copy by myself */
+ rtm->rtm_index = ifp->if_index;
+ rtm->rtm_rmx.rmx_mtu = 0;
rtm->rtm_rmx.rmx_expire =
(lle->la_flags & LLE_STATIC) ? 0 : lle->la_expire;
+ rtm->rtm_flags = RTF_UP;
rtm->rtm_flags |= RTF_HOST; /* For ndp */
+ /* For backward compatibility */
+ rtm->rtm_flags |= RTF_LLINFO | RTF_CLONED;
rtm->rtm_flags |= (lle->la_flags & LLE_STATIC) ? RTF_STATIC : 0;
if (lle->la_flags & LLE_PUB)
rtm->rtm_flags |= RTF_ANNOUNCE;
@@ -121,6 +128,8 @@
}
return error;
+#undef RTF_LLINFO
+#undef RTF_CLONED
}
/*
diff -r 99ec6a5552bb -r 77ec9f80856e sys/net/rtsock.c
--- a/sys/net/rtsock.c Wed Jun 28 04:10:47 2017 +0000
+++ b/sys/net/rtsock.c Wed Jun 28 04:14:53 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rtsock.c,v 1.223 2017/06/26 06:59:56 ozaki-r Exp $ */
+/* $NetBSD: rtsock.c,v 1.224 2017/06/28 04:14:53 ozaki-r Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.223 2017/06/26 06:59:56 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.224 2017/06/28 04:14:53 ozaki-r Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@@ -1932,10 +1932,22 @@
}
#endif
- for (i = 1; i <= AF_MAX; i++)
- if ((af == 0 || af == i) &&
- (error = rt_walktree(i, sysctl_dumpentry, &w)))
- break;
+ for (i = 1; i <= AF_MAX; i++) {
+ if (af == 0 || af == i) {
+ error = rt_walktree(i, sysctl_dumpentry, &w);
+ if (error != 0)
+ break;
+#if defined(INET) || defined(INET6)
+ /*
+ * Return ARP/NDP entries too for
+ * backward compatibility.
+ */
+ error = lltable_sysctl_dump(i, &w);
+ if (error != 0)
+ break;
+#endif
+ }
+ }
break;
#ifdef COMPAT_14
diff -r 99ec6a5552bb -r 77ec9f80856e tests/net/arp/t_arp.sh
--- a/tests/net/arp/t_arp.sh Wed Jun 28 04:10:47 2017 +0000
+++ b/tests/net/arp/t_arp.sh Wed Jun 28 04:14:53 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_arp.sh,v 1.31 2017/06/28 04:10:47 ozaki-r Exp $
+# $NetBSD: t_arp.sh,v 1.32 2017/06/28 04:14:53 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
@@ -113,6 +113,7 @@
$DEBUG && rump.ifconfig shmif0
$DEBUG && rump.arp -n -a
+ $DEBUG && rump.netstat -nr -f inet
}
setup_src_server()
@@ -136,6 +137,7 @@
# Sanity check
$DEBUG && rump.ifconfig shmif0
$DEBUG && rump.arp -n -a
+ $DEBUG && rump.netstat -nr -f inet
atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4SRC
atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
}
@@ -161,6 +163,8 @@
atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4SRC
# Should be cached
atf_check -s exit:0 -o ignore rump.arp -n $IP4DST
+ $DEBUG && rump.netstat -nr -f inet
+ atf_check -s exit:0 -o match:"$IP4DST" rump.netstat -nr -f inet
atf_check -s exit:0 sleep $(($arp_keep + $bonus))
@@ -184,6 +188,23 @@
rump_server_destroy_ifaces
}
+check_arp_static_entry()
+{
+ local ip=$1
+ local mac=$2
+ local type=$3
+ local flags=
+
+ atf_check -s exit:0 -o match:"$mac" rump.arp -n $ip
+ if [ $type = 'permanent' ]; then
+ atf_check -s exit:0 -o match:'permanent' rump.arp -n $ip
+ check_route $ip "$mac" UHLS shmif0
+ else
+ atf_check -s exit:0 -o not-match:'permanent' rump.arp -n $ip
+ check_route $ip "$mac" UHL shmif0
+ fi
+}
+
arp_command_body()
{
local arp_keep=5
@@ -201,11 +222,13 @@
$DEBUG && rump.arp -n -a
atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10
$DEBUG && rump.arp -n -a
- atf_check -s exit:0 -o match:'b2:a0:20:00:00:10' rump.arp -n 10.0.1.10
- atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.10
+ $DEBUG && rump.netstat -nr -f inet
+ check_arp_static_entry 10.0.1.10 'b2:a0:20:00:00:10' permanent
atf_check -s exit:0 -o ignore rump.arp -d 10.0.1.10
$DEBUG && rump.arp -n -a
+ $DEBUG && rump.netstat -nr -f inet
atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.10
+ check_route_no_entry 10.0.1.10
# Add multiple entries via a file
cat - > ./list <<-EOF
@@ -216,18 +239,15 @@
10.0.1.15 b2:a0:20:00:00:15
EOF
$DEBUG && rump.arp -n -a
+ $DEBUG && rump.netstat -nr -f inet
atf_check -s exit:0 -o ignore rump.arp -f ./list
$DEBUG && rump.arp -n -a
- atf_check -s exit:0 -o match:'b2:a0:20:00:00:11' rump.arp -n 10.0.1.11
- atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.11
- atf_check -s exit:0 -o match:'b2:a0:20:00:00:12' rump.arp -n 10.0.1.12
- atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.12
- atf_check -s exit:0 -o match:'b2:a0:20:00:00:13' rump.arp -n 10.0.1.13
- atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.13
- atf_check -s exit:0 -o match:'b2:a0:20:00:00:14' rump.arp -n 10.0.1.14
- atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.14
- atf_check -s exit:0 -o match:'b2:a0:20:00:00:15' rump.arp -n 10.0.1.15
- atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.15
+ $DEBUG && rump.netstat -nr -f inet
+ check_arp_static_entry 10.0.1.11 'b2:a0:20:00:00:11' permanent
+ check_arp_static_entry 10.0.1.12 'b2:a0:20:00:00:12' permanent
+ check_arp_static_entry 10.0.1.13 'b2:a0:20:00:00:13' permanent
+ check_arp_static_entry 10.0.1.14 'b2:a0:20:00:00:14' permanent
+ check_arp_static_entry 10.0.1.15 'b2:a0:20:00:00:15' permanent
# Test arp -a
atf_check -s exit:0 -o match:'10.0.1.11' rump.arp -n -a
@@ -238,6 +258,7 @@
# Flush all entries
$DEBUG && rump.arp -n -a
+ $DEBUG && rump.netstat -nr -f inet
atf_check -s exit:0 -o ignore rump.arp -d -a
atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.11
atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.12
@@ -245,17 +266,23 @@
atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.14
atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.15
atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.1
+ check_route_no_entry 10.0.1.11
+ check_route_no_entry 10.0.1.12
+ check_route_no_entry 10.0.1.13
+ check_route_no_entry 10.0.1.14
+ check_route_no_entry 10.0.1.15
# Test temp option
$DEBUG && rump.arp -n -a
atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 temp
$DEBUG && rump.arp -n -a
- atf_check -s exit:0 -o match:'b2:a0:20:00:00:10' rump.arp -n 10.0.1.10
- atf_check -s exit:0 -o not-match:'permanent' rump.arp -n 10.0.1.10
+ $DEBUG && rump.netstat -nr -f inet
+ check_arp_static_entry 10.0.1.10 'b2:a0:20:00:00:10' temp
# Hm? the cache doesn't expire...
atf_check -s exit:0 sleep $(($arp_keep + $bonus))
$DEBUG && rump.arp -n -a
+ $DEBUG && rump.netstat -nr -f inet
#atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.10
rump_server_destroy_ifaces
diff -r 99ec6a5552bb -r 77ec9f80856e tests/net/ndp/t_ndp.sh
--- a/tests/net/ndp/t_ndp.sh Wed Jun 28 04:10:47 2017 +0000
+++ b/tests/net/ndp/t_ndp.sh Wed Jun 28 04:14:53 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_ndp.sh,v 1.27 2017/06/26 06:59:57 ozaki-r Exp $
+# $NetBSD: t_ndp.sh,v 1.28 2017/06/28 04:14:53 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
@@ -167,9 +167,11 @@
atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10
+ check_route fc00::10 'b2:a0:20:00:00:10' UHLS shmif0
atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10
$DEBUG && rump.ndp -n -a
atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10
+ check_route_no_entry fc00::10
# Add multiple entries via a file (XXX not implemented)
#cat - > ./list <<-EOF
@@ -190,6 +192,9 @@
atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST
atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11
atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12
+ check_route_flags $IP6DST UHL
+ check_route_flags fc00::11 UHLS
+ check_route_flags fc00::12 UHLS
# Test ndp -a
atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a
@@ -203,15 +208,20 @@
atf_check -s exit:0 -o ignore rump.ndp -c
atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC
atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST
+ #check_route_no_entry $IP6SRC
+ check_route_no_entry $IP6DST
# Only the static caches are not deleted
atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11
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