diff options
Diffstat (limited to 'tools/testing/selftests/net/pmtu.sh')
| -rwxr-xr-x | tools/testing/selftests/net/pmtu.sh | 72 |
1 files changed, 37 insertions, 35 deletions
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index b3b2dc5a630c..cfc84958025a 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 ${n} 2> /dev/null - done + cleanup_all_ns ip link del veth_A-C 2>/dev/null ip link del veth_A-R1 2>/dev/null @@ -1344,12 +1336,14 @@ test_pmtu_ipvX_over_bridged_vxlanY_or_geneveY_exception() { else TCPDST="TCP:[${dst}]:50000" fi - ${ns_b} socat -T 3 -u -6 TCP-LISTEN:50000 STDOUT > $tmpoutfile & + ${ns_b} socat -T 3 -u -6 TCP-LISTEN:50000,reuseaddr 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 + wait ${socat_pid} size=$(du -sb $tmpoutfile) size=${size%%/tmp/*} @@ -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() { |