diff options
Diffstat (limited to 'tools/testing/selftests/drivers/net/bonding')
9 files changed, 383 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile new file mode 100644 index 000000000..6b8d2e2f2 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/Makefile @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0 +# Makefile for net selftests + +TEST_PROGS := \ + bond-arp-interval-causes-panic.sh \ + bond-break-lacpdu-tx.sh \ + bond-lladdr-target.sh \ + dev_addr_lists.sh + +TEST_FILES := \ + lag_lib.sh \ + net_forwarding_lib.sh + +include ../../../lib.mk diff --git a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh new file mode 100755 index 000000000..2ff58fed7 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh @@ -0,0 +1,49 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# cause kernel oops in bond_rr_gen_slave_id +DEBUG=${DEBUG:-0} + +set -e +test ${DEBUG} -ne 0 && set -x + +finish() +{ + ip netns delete server || true + ip netns delete client || true + ip link del link1_1 || true +} + +trap finish EXIT + +client_ip4=192.168.1.198 +server_ip4=192.168.1.254 + +# setup kernel so it reboots after causing the panic +echo 180 >/proc/sys/kernel/panic + +# build namespaces +ip link add dev link1_1 type veth peer name link1_2 + +ip netns add "server" +ip link set dev link1_2 netns server up name eth0 +ip netns exec server ip addr add ${server_ip4}/24 dev eth0 + +ip netns add "client" +ip link set dev link1_1 netns client down name eth0 +ip netns exec client ip link add dev bond0 down type bond mode 1 \ + miimon 100 all_slaves_active 1 +ip netns exec client ip link set dev eth0 master bond0 +ip netns exec client ip link set dev bond0 up +ip netns exec client ip addr add ${client_ip4}/24 dev bond0 +ip netns exec client ping -c 5 $server_ip4 >/dev/null + +ip netns exec client ip link set dev eth0 nomaster +ip netns exec client ip link set dev bond0 down +ip netns exec client ip link set dev bond0 type bond mode 0 \ + arp_interval 1000 arp_ip_target "+${server_ip4}" +ip netns exec client ip link set dev eth0 master bond0 +ip netns exec client ip link set dev bond0 up +ip netns exec client ping -c 5 $server_ip4 >/dev/null + +exit 0 diff --git a/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh b/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh new file mode 100755 index 000000000..6358df575 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh @@ -0,0 +1,81 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +# Regression Test: +# Verify LACPDUs get transmitted after setting the MAC address of +# the bond. +# +# https://bugzilla.redhat.com/show_bug.cgi?id=2020773 +# +# +---------+ +# | fab-br0 | +# +---------+ +# | +# +---------+ +# | fbond | +# +---------+ +# | | +# +------+ +------+ +# |veth1 | |veth2 | +# +------+ +------+ +# +# We use veths instead of physical interfaces + +set -e +tmp=$(mktemp -q dump.XXXXXX) +cleanup() { + ip link del fab-br0 >/dev/null 2>&1 || : + ip link del fbond >/dev/null 2>&1 || : + ip link del veth1-bond >/dev/null 2>&1 || : + ip link del veth2-bond >/dev/null 2>&1 || : + modprobe -r bonding >/dev/null 2>&1 || : + rm -f -- ${tmp} +} + +trap cleanup 0 1 2 +cleanup +sleep 1 + +# create the bridge +ip link add fab-br0 address 52:54:00:3B:7C:A6 mtu 1500 type bridge \ + forward_delay 15 + +# create the bond +ip link add fbond type bond mode 4 miimon 200 xmit_hash_policy 1 \ + ad_actor_sys_prio 65535 lacp_rate fast + +# set bond address +ip link set fbond address 52:54:00:3B:7C:A6 +ip link set fbond up + +# set again bond sysfs parameters +ip link set fbond type bond ad_actor_sys_prio 65535 + +# create veths +ip link add name veth1-bond type veth peer name veth1-end +ip link add name veth2-bond type veth peer name veth2-end + +# add ports +ip link set fbond master fab-br0 +ip link set veth1-bond master fbond +ip link set veth2-bond master fbond + +# bring up +ip link set veth1-end up +ip link set veth2-end up +ip link set fab-br0 up +ip link set fbond up +ip addr add dev fab-br0 10.0.0.3 + +tcpdump -n -i veth1-end -e ether proto 0x8809 >${tmp} 2>&1 & +sleep 15 +pkill tcpdump >/dev/null 2>&1 +rc=0 +num=$(grep "packets captured" ${tmp} | awk '{print $1}') +if test "$num" -gt 0; then + echo "PASS, captured ${num}" +else + echo "FAIL" + rc=1 +fi +exit $rc diff --git a/tools/testing/selftests/drivers/net/bonding/bond-lladdr-target.sh b/tools/testing/selftests/drivers/net/bonding/bond-lladdr-target.sh new file mode 100755 index 000000000..89af402fa --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond-lladdr-target.sh @@ -0,0 +1,65 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Regression Test: +# Verify bond interface could up when set IPv6 link local address target. +# +# +----------------+ +# | br0 | +# | | | sw +# | veth0 veth1 | +# +---+-------+----+ +# | | +# +---+-------+----+ +# | veth0 veth1 | +# | | | host +# | bond0 | +# +----------------+ +# +# We use veths instead of physical interfaces +sw="sw-$(mktemp -u XXXXXX)" +host="ns-$(mktemp -u XXXXXX)" + +cleanup() +{ + ip netns del $sw + ip netns del $host +} + +trap cleanup 0 1 2 + +ip netns add $sw +ip netns add $host + +ip -n $host link add veth0 type veth peer name veth0 netns $sw +ip -n $host link add veth1 type veth peer name veth1 netns $sw + +ip -n $sw link add br0 type bridge +ip -n $sw link set br0 up +sw_lladdr=$(ip -n $sw addr show br0 | awk '/fe80/{print $2}' | cut -d'/' -f1) +# sleep some time to make sure bridge lladdr pass DAD +sleep 2 + +ip -n $host link add bond0 type bond mode 1 ns_ip6_target ${sw_lladdr} \ + arp_validate 3 arp_interval 1000 +# add a lladdr for bond to make sure there is a route to target +ip -n $host addr add fe80::beef/64 dev bond0 +ip -n $host link set bond0 up +ip -n $host link set veth0 master bond0 +ip -n $host link set veth1 master bond0 + +ip -n $sw link set veth0 master br0 +ip -n $sw link set veth1 master br0 +ip -n $sw link set veth0 up +ip -n $sw link set veth1 up + +sleep 5 + +rc=0 +if ip -n $host link show bond0 | grep -q LOWER_UP; then + echo "PASS" +else + echo "FAIL" + rc=1 +fi +exit $rc diff --git a/tools/testing/selftests/drivers/net/bonding/config b/tools/testing/selftests/drivers/net/bonding/config new file mode 100644 index 000000000..70638fa50 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/config @@ -0,0 +1,2 @@ +CONFIG_BONDING=y +CONFIG_MACVLAN=y diff --git a/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh b/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh new file mode 100755 index 000000000..5cfe7d8eb --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh @@ -0,0 +1,109 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test bond device handling of addr lists (dev->uc, mc) +# + +ALL_TESTS=" + bond_cleanup_mode1 + bond_cleanup_mode4 + bond_listen_lacpdu_multicast_case_down + bond_listen_lacpdu_multicast_case_up +" + +REQUIRE_MZ=no +NUM_NETIFS=0 +lib_dir=$(dirname "$0") +source "$lib_dir"/net_forwarding_lib.sh + +source "$lib_dir"/lag_lib.sh + + +destroy() +{ + local ifnames=(dummy1 dummy2 bond1 mv0) + local ifname + + for ifname in "${ifnames[@]}"; do + ip link del "$ifname" &>/dev/null + done +} + +cleanup() +{ + pre_cleanup + + destroy +} + + +# bond driver control paths vary between modes that have a primary slave +# (bond_uses_primary()) and others. Test both kinds of modes. + +bond_cleanup_mode1() +{ + RET=0 + + test_LAG_cleanup "bonding" "active-backup" +} + +bond_cleanup_mode4() { + RET=0 + + test_LAG_cleanup "bonding" "802.3ad" +} + +bond_listen_lacpdu_multicast() +{ + # Initial state of bond device, up | down + local init_state=$1 + local lacpdu_mc="01:80:c2:00:00:02" + + ip link add dummy1 type dummy + ip link add bond1 "$init_state" type bond mode 802.3ad + ip link set dev dummy1 master bond1 + if [ "$init_state" = "down" ]; then + ip link set dev bond1 up + fi + + grep_bridge_fdb "$lacpdu_mc" bridge fdb show brport dummy1 >/dev/null + check_err $? "LACPDU multicast address not present on slave (1)" + + ip link set dev bond1 down + + not grep_bridge_fdb "$lacpdu_mc" bridge fdb show brport dummy1 >/dev/null + check_err $? "LACPDU multicast address still present on slave" + + ip link set dev bond1 up + + grep_bridge_fdb "$lacpdu_mc" bridge fdb show brport dummy1 >/dev/null + check_err $? "LACPDU multicast address not present on slave (2)" + + cleanup + + log_test "bonding LACPDU multicast address to slave (from bond $init_state)" +} + +# The LACPDU mc addr is added by different paths depending on the initial state +# of the bond when enslaving a device. Test both cases. + +bond_listen_lacpdu_multicast_case_down() +{ + RET=0 + + bond_listen_lacpdu_multicast "down" +} + +bond_listen_lacpdu_multicast_case_up() +{ + RET=0 + + bond_listen_lacpdu_multicast "up" +} + + +trap cleanup EXIT + +tests_run + +exit "$EXIT_STATUS" diff --git a/tools/testing/selftests/drivers/net/bonding/lag_lib.sh b/tools/testing/selftests/drivers/net/bonding/lag_lib.sh new file mode 100644 index 000000000..16c7fb858 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/lag_lib.sh @@ -0,0 +1,61 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Test that a link aggregation device (bonding, team) removes the hardware +# addresses that it adds on its underlying devices. +test_LAG_cleanup() +{ + local driver=$1 + local mode=$2 + local ucaddr="02:00:00:12:34:56" + local addr6="fe80::78:9abc/64" + local mcaddr="33:33:ff:78:9a:bc" + local name + + ip link add dummy1 type dummy + ip link add dummy2 type dummy + if [ "$driver" = "bonding" ]; then + name="bond1" + ip link add "$name" up type bond mode "$mode" + ip link set dev dummy1 master "$name" + ip link set dev dummy2 master "$name" + elif [ "$driver" = "team" ]; then + name="team0" + teamd -d -c ' + { + "device": "'"$name"'", + "runner": { + "name": "'"$mode"'" + }, + "ports": { + "dummy1": + {}, + "dummy2": + {} + } + } + ' + ip link set dev "$name" up + else + check_err 1 + log_test test_LAG_cleanup ": unknown driver \"$driver\"" + return + fi + + # Used to test dev->uc handling + ip link add mv0 link "$name" up address "$ucaddr" type macvlan + # Used to test dev->mc handling + ip address add "$addr6" dev "$name" + ip link set dev "$name" down + ip link del "$name" + + not grep_bridge_fdb "$ucaddr" bridge fdb show >/dev/null + check_err $? "macvlan unicast address still present on a slave" + + not grep_bridge_fdb "$mcaddr" bridge fdb show >/dev/null + check_err $? "IPv6 solicited-node multicast mac address still present on a slave" + + cleanup + + log_test "$driver cleanup mode $mode" +} diff --git a/tools/testing/selftests/drivers/net/bonding/net_forwarding_lib.sh b/tools/testing/selftests/drivers/net/bonding/net_forwarding_lib.sh new file mode 120000 index 000000000..39c96828c --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/net_forwarding_lib.sh @@ -0,0 +1 @@ +../../../net/forwarding/lib.sh
\ No newline at end of file diff --git a/tools/testing/selftests/drivers/net/bonding/settings b/tools/testing/selftests/drivers/net/bonding/settings new file mode 100644 index 000000000..867e11822 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/settings @@ -0,0 +1 @@ +timeout=60 |