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[src/trunk]: src add a couple of tests for dynamic MPLS routes generation usi...
details: https://anonhg.NetBSD.org/src/rev/2a10fde78818
branches: trunk
changeset: 788865:2a10fde78818
user: kefren <kefren%NetBSD.org@localhost>
date: Thu Jul 25 14:28:29 2013 +0000
description:
add a couple of tests for dynamic MPLS routes generation using ldpd
diffstat:
distrib/sets/lists/tests/mi | 4 +-
tests/net/mpls/Makefile | 4 +-
tests/net/mpls/t_ldp_regen.sh | 176 +++++++++++++++++++++++++++++++
tests/net/mpls/t_ldp_static.sh | 230 +++++++++++++++++++++++++++++++++++++++++
4 files changed, 411 insertions(+), 3 deletions(-)
diffs (truncated from 448 to 300 lines):
diff -r 9e8cfd8558d9 -r 2a10fde78818 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Thu Jul 25 14:10:30 2013 +0000
+++ b/distrib/sets/lists/tests/mi Thu Jul 25 14:28:29 2013 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.541 2013/07/23 11:26:33 kefren Exp $
+# $NetBSD: mi,v 1.542 2013/07/25 14:28:29 kefren Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -2600,6 +2600,8 @@
./usr/tests/net/mpls tests-net-tests
./usr/tests/net/mpls/Atffile tests-net-tests atf,rump
./usr/tests/net/mpls/Kyuafile tests-net-tests atf,rump,kyua
+./usr/tests/net/mpls/t_ldp_regen tests-net-tests atf,rump
+./usr/tests/net/mpls/t_ldp_static tests-net-tests atf,rump
./usr/tests/net/mpls/t_mpls_fw tests-net-tests atf,rump
./usr/tests/net/mpls/t_rfc4182 tests-net-tests atf,rump
./usr/tests/net/net tests-net-tests
diff -r 9e8cfd8558d9 -r 2a10fde78818 tests/net/mpls/Makefile
--- a/tests/net/mpls/Makefile Thu Jul 25 14:10:30 2013 +0000
+++ b/tests/net/mpls/Makefile Thu Jul 25 14:28:29 2013 +0000
@@ -1,10 +1,10 @@
-# $NetBSD: Makefile,v 1.2 2013/07/23 11:26:33 kefren Exp $
+# $NetBSD: Makefile,v 1.3 2013/07/25 14:28:29 kefren Exp $
#
.include <bsd.own.mk>
TESTSDIR= ${TESTSBASE}/net/mpls
-TESTS_SH= t_mpls_fw t_rfc4182
+TESTS_SH= t_mpls_fw t_rfc4182 t_ldp_regen t_ldp_static
.include <bsd.test.mk>
diff -r 9e8cfd8558d9 -r 2a10fde78818 tests/net/mpls/t_ldp_regen.sh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/net/mpls/t_ldp_regen.sh Thu Jul 25 14:28:29 2013 +0000
@@ -0,0 +1,176 @@
+# $NetBSD: t_ldp_regen.sh,v 1.1 2013/07/25 14:28:29 kefren Exp $
+#
+# Copyright (c) 2013 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+# IP/MPLS & LDP label reallocation test
+# Create 4 routers connected like this: R1--R2--R3--R4--
+# The goal is to push packets from R1 to the R4 shmif1 (the right one) interface
+# Enable MPLS forwarding on R2
+# Disable IP forwarding and enable MPLS forwarding on R3
+# Start ldpd and wait for adjancencies to come up
+# Add an alias on shmif1 on R4 for which we already have a route on R3
+# Now: * R4 should install label IMPLNULL for that prefix
+# * R3 should realloc the target label from IMPLNULL to something else
+
+
+RUMP_SERVER1=unix://./r1
+RUMP_SERVER2=unix://./r2
+RUMP_SERVER3=unix://./r3
+RUMP_SERVER4=unix://./r4
+
+RUMP_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netmpls -lrumpnet_netinet -lrumpnet_shmif"
+LDP_FLAGS=""
+
+atf_test_case ldp_regen cleanup
+ldp_regen_head() {
+
+ atf_set "descr" "IP/MPLS and LDP label regeneration test"
+ atf_set "require.progs" "rump_server"
+ atf_set "use.fs" "true"
+}
+
+newaddr_and_ping() {
+
+ # Add new address on R4
+ RUMP_SERVER=${RUMP_SERVER4} atf_check -s exit:0 \
+ rump.ifconfig shmif1 10.0.5.1/24 alias
+
+ # Now ldpd on R5 should take notice of the new route and announce it
+ # to R4's ldpd. ldpd on R4 should verify that the next hop
+ # corresponds to its routing table and change its tag entry
+
+ atf_expect_fail "IMPLNULL label bindings are not upgraded properly"
+ RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \
+ rump.ping -n -o -w 5 10.0.5.1
+}
+
+create_servers() {
+
+ # allows us to run as normal user
+ ulimit -r 400
+
+ atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER1}
+ atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER2}
+ atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER3}
+ atf_check -s exit:0 rump_server ${RUMP_LIBS} ${RUMP_SERVER4}
+
+ # LDP HIJACK
+ export RUMPHIJACK=path=/rump,socket=all,sysctl=yes
+ export LD_PRELOAD=/usr/lib/librumphijack.so
+
+ # Setup first server
+ export RUMP_SERVER=${RUMP_SERVER1}
+ atf_check -s exit:0 rump.ifconfig shmif0 create
+ atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1
+ atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.1/24
+ atf_check -s exit:0 rump.ifconfig mpls0 create up
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0
+ atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.1.2
+ atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.1.2
+ atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS}
+
+ # Setup second server
+ export RUMP_SERVER=${RUMP_SERVER2}
+ atf_check -s exit:0 rump.ifconfig shmif0 create
+ atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom1
+ atf_check -s exit:0 rump.ifconfig shmif0 10.0.1.2/24
+ atf_check -s exit:0 rump.ifconfig shmif1 create
+ atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom2
+ atf_check -s exit:0 rump.ifconfig shmif1 10.0.2.1/24
+ atf_check -s exit:0 rump.ifconfig mpls0 create up
+ atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1
+ atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1
+ # This one should still do ip forwarding because it announces IMPLNULL
+ # for the 10.0.1.0/24 subnet
+ atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.2.2
+ atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.2.2
+ atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS}
+
+ # Setup third server
+ export RUMP_SERVER=${RUMP_SERVER3}
+ atf_check -s exit:0 rump.ifconfig shmif0 create
+ atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom2
+ atf_check -s exit:0 rump.ifconfig shmif0 10.0.2.2/24
+ atf_check -s exit:0 rump.ifconfig shmif1 create
+ atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom3
+ atf_check -s exit:0 rump.ifconfig shmif1 10.0.3.1/24
+ atf_check -s exit:0 rump.ifconfig mpls0 create up
+ atf_check -s exit:0 rump.sysctl -q -w net.mpls.accept=1
+ atf_check -s exit:0 rump.sysctl -q -w net.mpls.forwarding=1
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0
+ atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.2.1
+ atf_check -s exit:0 rump.route -q add 10.0.4.0/24 10.0.3.2
+ atf_check -s exit:0 rump.route -q add 10.0.5.0/24 10.0.3.2
+ atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS}
+
+ # Setup fourth server
+ export RUMP_SERVER=${RUMP_SERVER4}
+ atf_check -s exit:0 rump.ifconfig shmif0 create
+ atf_check -s exit:0 rump.ifconfig shmif0 linkstr ./shdom3
+ atf_check -s exit:0 rump.ifconfig shmif0 10.0.3.2/24
+ atf_check -s exit:0 rump.ifconfig shmif1 create
+ atf_check -s exit:0 rump.ifconfig shmif1 linkstr ./shdom4
+ atf_check -s exit:0 rump.ifconfig shmif1 10.0.4.1/24
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=0
+ atf_check -s exit:0 rump.ifconfig mpls0 create up
+ atf_check -s exit:0 rump.route -q add 10.0.1.0/24 10.0.3.1
+ atf_check -s exit:0 /usr/sbin/ldpd ${LDP_FLAGS}
+
+ unset RUMP_SERVER
+ unset LD_PRELOAD
+ unset RUMPHIJACK
+}
+
+wait_ldp_ok() {
+
+ RUMP_SERVER=${RUMP_SERVER1} atf_check -s exit:0 -o ignore -e ignore \
+ rump.ping -o -w 60 10.0.4.1
+}
+
+docleanup() {
+
+ RUMP_SERVER=${RUMP_SERVER1} rump.halt
+ RUMP_SERVER=${RUMP_SERVER2} rump.halt
+ RUMP_SERVER=${RUMP_SERVER3} rump.halt
+ RUMP_SERVER=${RUMP_SERVER4} rump.halt
+}
+
+ldp_regen_body() {
+
+ create_servers
+ wait_ldp_ok
+ newaddr_and_ping
+}
+
+ldp_regen_cleanup() {
+
+ docleanup
+}
+
+atf_init_test_cases() {
+
+ atf_add_test_case ldp_regen
+}
diff -r 9e8cfd8558d9 -r 2a10fde78818 tests/net/mpls/t_ldp_static.sh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/net/mpls/t_ldp_static.sh Thu Jul 25 14:28:29 2013 +0000
@@ -0,0 +1,230 @@
+# $NetBSD: t_ldp_static.sh,v 1.1 2013/07/25 14:28:29 kefren Exp $
+#
+# Copyright (c) 2013 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+# IP/MPLS & LDP test
+# Create 5 routers connected like this: R1--R2--R3--R4--R5--
+# The goal is to push packets from R1 to the R5 shmif1 (the right one) interface
+# Disable IP forwarding and enable MPLS forwarding on R2, R3 and R4
+# Put some load on ldp by creating 100 IP routes from R1 to R5 on R[1,2,3,4]
+# Start ldpd and wait for adjancencies to come up
+# ping random addresses from R1 to R5
+# As IP forwarding is disabled the packets should be
+# encapsulated into MPLS, use MPLS forwarding and decapsulated back into
+# IP when reaching target
+
+MAX_B=10
+MAX_C=10
+
+RUMP_SERVER1=unix://./r1
+RUMP_SERVER2=unix://./r2
+RUMP_SERVER3=unix://./r3
+RUMP_SERVER4=unix://./r4
+RUMP_SERVER5=unix://./r5
+
+RUMP_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netmpls -lrumpnet_netinet -lrumpnet_shmif"
+LDP_FLAGS=""
+
+atf_test_case ldp_static cleanup
+ldp_static_head() {
+
+ atf_set "descr" "IP/MPLS forwarding test using LDP and static IP routes"
+ atf_set "require.progs" "rump_server"
+ atf_set "use.fs" "true"
+}
+
+create_routes() {
+
+ for b in `seq 1 $MAX_B`
+ do for c in `seq 0 $MAX_C`
+ do atf_check -s exit:0 \
+ rump.route -q add 10.$b.$c.0/24 $1
+ done
+ done
+}
+
+delete_routes() {
+
+ for b in `seq 1 $MAX_B`
+ do for c in `seq 0 $MAX_C`
+ do atf_check -s exit:0 \
+ rump.route -q delete 10.$b.$c.0/24
+ done
+ done
+}
+
+ping_one() {
+
+ # Add address on R5
+ RUMP_SERVER=${RUMP_SERVER5} atf_check -s exit:0 \
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