From 39367183aecfc05f006a29b1f96708a6d1a3d8c3 Mon Sep 17 00:00:00 2001
From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Date: Wed, 10 Jul 2024 10:14:30 +0200
Subject: [PATCH] selftests: vrf_route_leaking: add local test
The goal is to check that the source address selected by the kernel is
routable when a leaking route is used. ICMP, TCP and UDP connections are
tested.
The symmetric topology is enough for this test.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240710081521.3809742-5-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../selftests/net/vrf_route_leaking.sh | 93 ++++++++++++++++++-
1 file changed, 91 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/vrf_route_leaking.sh b/tools/testing/selftests/net/vrf_route_leaking.sh
index 2da32f4c479b3..152171fb1fc8c 100755
--- a/tools/testing/selftests/net/vrf_route_leaking.sh
+++ b/tools/testing/selftests/net/vrf_route_leaking.sh
@@ -59,6 +59,7 @@
# while it is forwarded between different vrfs.
source lib.sh
+PATH=$PWD:$PWD/tools/testing/selftests/net:$PATH
VERBOSE=0
PAUSE_ON_FAIL=no
DEFAULT_TTYPE=sym
@@ -533,6 +534,86 @@ ipv6_ping_frag_asym()
ipv6_ping_frag asym
}
+ipv4_ping_local()
+{
+ log_section "IPv4 (sym route): VRF ICMP local error route lookup ping"
+
+ setup_sym
+
+ check_connectivity || return
+
+ run_cmd ip netns exec $r1 ip vrf exec blue ping -c1 -w1 ${H2_N2_IP}
+ log_test $? 0 "VRF ICMP local IPv4"
+}
+
+ipv4_tcp_local()
+{
+ log_section "IPv4 (sym route): VRF tcp local connection"
+
+ setup_sym
+
+ check_connectivity || return
+
+ run_cmd nettest -s -O "$h2" -l ${H2_N2_IP} -I eth0 -3 eth0 &
+ sleep 1
+ run_cmd nettest -N "$r1" -d blue -r ${H2_N2_IP}
+ log_test $? 0 "VRF tcp local connection IPv4"
+}
+
+ipv4_udp_local()
+{
+ log_section "IPv4 (sym route): VRF udp local connection"
+
+ setup_sym
+
+ check_connectivity || return
+
+ run_cmd nettest -s -D -O "$h2" -l ${H2_N2_IP} -I eth0 -3 eth0 &
+ sleep 1
+ run_cmd nettest -D -N "$r1" -d blue -r ${H2_N2_IP}
+ log_test $? 0 "VRF udp local connection IPv4"
+}
+
+ipv6_ping_local()
+{
+ log_section "IPv6 (sym route): VRF ICMP local error route lookup ping"
+
+ setup_sym
+
+ check_connectivity6 || return
+
+ run_cmd ip netns exec $r1 ip vrf exec blue ${ping6} -c1 -w1 ${H2_N2_IP6}
+ log_test $? 0 "VRF ICMP local IPv6"
+}
+
+ipv6_tcp_local()
+{
+ log_section "IPv6 (sym route): VRF tcp local connection"
+
+ setup_sym
+
+ check_connectivity6 || return
+
+ run_cmd nettest -s -6 -O "$h2" -l ${H2_N2_IP6} -I eth0 -3 eth0 &
+ sleep 1
+ run_cmd nettest -6 -N "$r1" -d blue -r ${H2_N2_IP6}
+ log_test $? 0 "VRF tcp local connection IPv6"
+}
+
+ipv6_udp_local()
+{
+ log_section "IPv6 (sym route): VRF udp local connection"
+
+ setup_sym
+
+ check_connectivity6 || return
+
+ run_cmd nettest -s -6 -D -O "$h2" -l ${H2_N2_IP6} -I eth0 -3 eth0 &
+ sleep 1
+ run_cmd nettest -6 -D -N "$r1" -d blue -r ${H2_N2_IP6}
+ log_test $? 0 "VRF udp local connection IPv6"
+}
+
################################################################################
# usage
@@ -555,8 +636,10 @@ EOF
# Some systems don't have a ping6 binary anymore
command -v ping6 > /dev/null 2>&1 && ping6=$(command -v ping6) || ping6=$(command -v ping)
-TESTS_IPV4="ipv4_ping_ttl ipv4_traceroute ipv4_ping_frag ipv4_ping_ttl_asym ipv4_traceroute_asym"
-TESTS_IPV6="ipv6_ping_ttl ipv6_traceroute ipv6_ping_ttl_asym ipv6_traceroute_asym"
+TESTS_IPV4="ipv4_ping_ttl ipv4_traceroute ipv4_ping_frag ipv4_ping_local ipv4_tcp_local
+ipv4_udp_local ipv4_ping_ttl_asym ipv4_traceroute_asym"
+TESTS_IPV6="ipv6_ping_ttl ipv6_traceroute ipv6_ping_local ipv6_tcp_local ipv6_udp_local
+ipv6_ping_ttl_asym ipv6_traceroute_asym"
ret=0
nsuccess=0
@@ -594,12 +677,18 @@ do
ipv4_traceroute|traceroute) ipv4_traceroute;;&
ipv4_traceroute_asym|traceroute) ipv4_traceroute_asym;;&
ipv4_ping_frag|ping) ipv4_ping_frag;;&
+ ipv4_ping_local|ping) ipv4_ping_local;;&
+ ipv4_tcp_local) ipv4_tcp_local;;&
+ ipv4_udp_local) ipv4_udp_local;;&
ipv6_ping_ttl|ping) ipv6_ping_ttl;;&
ipv6_ping_ttl_asym|ping) ipv6_ping_ttl_asym;;&
ipv6_traceroute|traceroute) ipv6_traceroute;;&
ipv6_traceroute_asym|traceroute) ipv6_traceroute_asym;;&
ipv6_ping_frag|ping) ipv6_ping_frag;;&
+ ipv6_ping_local|ping) ipv6_ping_local;;&
+ ipv6_tcp_local) ipv6_tcp_local;;&
+ ipv6_udp_local) ipv6_udp_local;;&
# setup namespaces and config, but do not run any tests
setup_sym|setup) setup_sym; exit 0;;