summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/net/pmtu.sh
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/net/pmtu.sh')
-rwxr-xr-xtools/testing/selftests/net/pmtu.sh70
1 files changed, 36 insertions, 34 deletions
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index b3b2dc5a63..d65fdd407d 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Check that route PMTU values match expectations, and that initial device MTU
@@ -198,8 +198,8 @@
# - pmtu_ipv6_route_change
# Same as above but with IPv6
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
+source lib.sh
+source net_helper.sh
PAUSE_ON_FAIL=no
VERBOSE=0
@@ -268,16 +268,6 @@ tests="
pmtu_ipv4_route_change ipv4: PMTU exception w/route replace 1
pmtu_ipv6_route_change ipv6: PMTU exception w/route replace 1"
-NS_A="ns-A"
-NS_B="ns-B"
-NS_C="ns-C"
-NS_R1="ns-R1"
-NS_R2="ns-R2"
-ns_a="ip netns exec ${NS_A}"
-ns_b="ip netns exec ${NS_B}"
-ns_c="ip netns exec ${NS_C}"
-ns_r1="ip netns exec ${NS_R1}"
-ns_r2="ip netns exec ${NS_R2}"
# Addressing and routing for tests with routers: four network segments, with
# index SEGMENT between 1 and 4, a common prefix (PREFIX4 or PREFIX6) and an
# identifier ID, which is 1 for hosts (A and B), 2 for routers (R1 and R2).
@@ -543,13 +533,17 @@ setup_ip6ip6() {
}
setup_namespaces() {
+ setup_ns NS_A NS_B NS_C NS_R1 NS_R2
for n in ${NS_A} ${NS_B} ${NS_C} ${NS_R1} ${NS_R2}; do
- ip netns add ${n} || return 1
-
# Disable DAD, so that we don't have to wait to use the
# configured IPv6 addresses
ip netns exec ${n} sysctl -q net/ipv6/conf/default/accept_dad=0
done
+ ns_a="ip netns exec ${NS_A}"
+ ns_b="ip netns exec ${NS_B}"
+ ns_c="ip netns exec ${NS_C}"
+ ns_r1="ip netns exec ${NS_R1}"
+ ns_r2="ip netns exec ${NS_R2}"
}
setup_veth() {
@@ -714,23 +708,23 @@ setup_xfrm6() {
}
setup_xfrm4udp() {
- setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 4 4500
+ setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 4 4500
}
setup_xfrm6udp() {
- setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 6 4500
+ setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 6 4500
}
setup_xfrm4udprouted() {
- setup_xfrm 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 4 4500
+ setup_xfrm 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 4 4500
}
setup_xfrm6udprouted() {
- setup_xfrm 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 6 4500
+ setup_xfrm 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 6 4500
}
setup_routing_old() {
@@ -839,7 +833,7 @@ setup_bridge() {
run_cmd ${ns_a} ip link set br0 up
run_cmd ${ns_c} ip link add veth_C-A type veth peer name veth_A-C
- run_cmd ${ns_c} ip link set veth_A-C netns ns-A
+ run_cmd ${ns_c} ip link set veth_A-C netns ${NS_A}
run_cmd ${ns_a} ip link set veth_A-C up
run_cmd ${ns_c} ip link set veth_C-A up
@@ -944,9 +938,7 @@ cleanup() {
done
socat_pids=
- for n in ${NS_A} ${NS_B} ${NS_C} ${NS_R1} ${NS_R2}; do
- ip netns del ${n} 2> /dev/null
- done
+ cleanup_all_ns
ip link del veth_A-C 2>/dev/null
ip link del veth_A-R1 2>/dev/null
@@ -1345,13 +1337,15 @@ test_pmtu_ipvX_over_bridged_vxlanY_or_geneveY_exception() {
TCPDST="TCP:[${dst}]:50000"
fi
${ns_b} socat -T 3 -u -6 TCP-LISTEN:50000 STDOUT > $tmpoutfile &
+ local socat_pid=$!
- sleep 1
+ wait_local_port_listen ${NS_B} 50000 tcp
- dd if=/dev/zero of=/dev/stdout status=none bs=1M count=1 | ${target} socat -T 3 -u STDIN $TCPDST,connect-timeout=3
+ dd if=/dev/zero status=none bs=1M count=1 | ${target} socat -T 3 -u STDIN $TCPDST,connect-timeout=3
size=$(du -sb $tmpoutfile)
size=${size%%/tmp/*}
+ wait ${socat_pid}
[ $size -ne 1048576 ] && err "File size $size mismatches exepcted value in locally bridged vxlan test" && return 1
done
@@ -1963,6 +1957,13 @@ check_command() {
return 0
}
+check_running() {
+ pid=${1}
+ cmd=${2}
+
+ [ "$(cat /proc/${pid}/cmdline 2>/dev/null | tr -d '\0')" = "{cmd}" ]
+}
+
test_cleanup_vxlanX_exception() {
outer="${1}"
encap="vxlan"
@@ -1993,11 +1994,12 @@ test_cleanup_vxlanX_exception() {
${ns_a} ip link del dev veth_A-R1 &
iplink_pid=$!
- sleep 1
- if [ "$(cat /proc/${iplink_pid}/cmdline 2>/dev/null | tr -d '\0')" = "iplinkdeldevveth_A-R1" ]; then
- err " can't delete veth device in a timely manner, PMTU dst likely leaked"
- return 1
- fi
+ for i in $(seq 1 20); do
+ check_running ${iplink_pid} "iplinkdeldevveth_A-R1" || return 0
+ sleep 0.1
+ done
+ err " can't delete veth device in a timely manner, PMTU dst likely leaked"
+ return 1
}
test_cleanup_ipv6_exception() {