diff options
Diffstat (limited to 'tools/testing/selftests/net/forwarding/lib.sh')
| -rw-r--r-- | tools/testing/selftests/net/forwarding/lib.sh | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index 977fc2b326a2..be71012b8fc5 100644 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -42,6 +42,47 @@ check_tc_version() fi } +# Old versions of tc don't understand "mpls_uc" +check_tc_mpls_support() +{ + local dev=$1; shift + + tc filter add dev $dev ingress protocol mpls_uc pref 1 handle 1 \ + matchall action pipe &> /dev/null + if [[ $? -ne 0 ]]; then + echo "SKIP: iproute2 too old; tc is missing MPLS support" + return 1 + fi + tc filter del dev $dev ingress protocol mpls_uc pref 1 handle 1 \ + matchall +} + +# Old versions of tc produce invalid json output for mpls lse statistics +check_tc_mpls_lse_stats() +{ + local dev=$1; shift + local ret; + + tc filter add dev $dev ingress protocol mpls_uc pref 1 handle 1 \ + flower mpls lse depth 2 \ + action continue &> /dev/null + + if [[ $? -ne 0 ]]; then + echo "SKIP: iproute2 too old; tc-flower is missing extended MPLS support" + return 1 + fi + + tc -j filter show dev $dev ingress protocol mpls_uc | jq . &> /dev/null + ret=$? + tc filter del dev $dev ingress protocol mpls_uc pref 1 handle 1 \ + flower + + if [[ $ret -ne 0 ]]; then + echo "SKIP: iproute2 too old; tc-flower produces invalid json output for extended MPLS filters" + return 1 + fi +} + check_tc_shblock_support() { tc filter help 2>&1 | grep block &> /dev/null @@ -69,6 +110,15 @@ check_tc_action_hw_stats_support() fi } +check_ethtool_lanes_support() +{ + ethtool --help 2>&1| grep lanes &> /dev/null + if [[ $? -ne 0 ]]; then + echo "SKIP: ethtool too old; it is missing lanes support" + exit 1 + fi +} + if [[ "$(id -u)" -ne 0 ]]; then echo "SKIP: need root privileges" exit 0 @@ -263,6 +313,20 @@ not() [[ $? != 0 ]] } +get_max() +{ + local arr=("$@") + + max=${arr[0]} + for cur in ${arr[@]}; do + if [[ $cur -gt $max ]]; then + max=$cur + fi + done + + echo $max +} + grep_bridge_fdb() { local addr=$1; shift @@ -279,6 +343,11 @@ grep_bridge_fdb() $@ | grep $addr | grep $flag "$word" } +wait_for_port_up() +{ + "$@" | grep -q "Link detected: yes" +} + wait_for_offload() { "$@" | grep -q offload @@ -1227,3 +1296,153 @@ stop_traffic() # Suppress noise from killing mausezahn. { kill %% && wait %%; } 2>/dev/null } + +tcpdump_start() +{ + local if_name=$1; shift + local ns=$1; shift + + capfile=$(mktemp) + capout=$(mktemp) + + if [ -z $ns ]; then + ns_cmd="" + else + ns_cmd="ip netns exec ${ns}" + fi + + if [ -z $SUDO_USER ] ; then + capuser="" + else + capuser="-Z $SUDO_USER" + fi + + $ns_cmd tcpdump -e -n -Q in -i $if_name \ + -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 & + cappid=$! + + sleep 1 +} + +tcpdump_stop() +{ + $ns_cmd kill $cappid + sleep 1 +} + +tcpdump_cleanup() +{ + rm $capfile $capout +} + +tcpdump_show() +{ + tcpdump -e -n -r $capfile 2>&1 +} + +# return 0 if the packet wasn't seen on host2_if or 1 if it was +mcast_packet_test() +{ + local mac=$1 + local src_ip=$2 + local ip=$3 + local host1_if=$4 + local host2_if=$5 + local seen=0 + local tc_proto="ip" + local mz_v6arg="" + + # basic check to see if we were passed an IPv4 address, if not assume IPv6 + if [[ ! $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then + tc_proto="ipv6" + mz_v6arg="-6" + fi + + # Add an ACL on `host2_if` which will tell us whether the packet + # was received by it or not. + tc qdisc add dev $host2_if ingress + tc filter add dev $host2_if ingress protocol $tc_proto pref 1 handle 101 \ + flower ip_proto udp dst_mac $mac action drop + + $MZ $host1_if $mz_v6arg -c 1 -p 64 -b $mac -A $src_ip -B $ip -t udp "dp=4096,sp=2048" -q + sleep 1 + + tc -j -s filter show dev $host2_if ingress \ + | jq -e ".[] | select(.options.handle == 101) \ + | select(.options.actions[0].stats.packets == 1)" &> /dev/null + if [[ $? -eq 0 ]]; then + seen=1 + fi + + tc filter del dev $host2_if ingress protocol $tc_proto pref 1 handle 101 flower + tc qdisc del dev $host2_if ingress + + return $seen +} + +brmcast_check_sg_entries() +{ + local report=$1; shift + local slist=("$@") + local sarg="" + + for src in "${slist[@]}"; do + sarg="${sarg} and .source_list[].address == \"$src\"" + done + bridge -j -d -s mdb show dev br0 \ + | jq -e ".[].mdb[] | \ + select(.grp == \"$TEST_GROUP\" and .source_list != null $sarg)" &>/dev/null + check_err $? "Wrong *,G entry source list after $report report" + + for sgent in "${slist[@]}"; do + bridge -j -d -s mdb show dev br0 \ + | jq -e ".[].mdb[] | \ + select(.grp == \"$TEST_GROUP\" and .src == \"$sgent\")" &>/dev/null + check_err $? "Missing S,G entry ($sgent, $TEST_GROUP)" + done +} + +brmcast_check_sg_fwding() +{ + local should_fwd=$1; shift + local sources=("$@") + + for src in "${sources[@]}"; do + local retval=0 + + mcast_packet_test $TEST_GROUP_MAC $src $TEST_GROUP $h2 $h1 + retval=$? + if [ $should_fwd -eq 1 ]; then + check_fail $retval "Didn't forward traffic from S,G ($src, $TEST_GROUP)" + else + check_err $retval "Forwarded traffic for blocked S,G ($src, $TEST_GROUP)" + fi + done +} + +brmcast_check_sg_state() +{ + local is_blocked=$1; shift + local sources=("$@") + local should_fail=1 + + if [ $is_blocked -eq 1 ]; then + should_fail=0 + fi + + for src in "${sources[@]}"; do + bridge -j -d -s mdb show dev br0 \ + | jq -e ".[].mdb[] | \ + select(.grp == \"$TEST_GROUP\" and .source_list != null) | + .source_list[] | + select(.address == \"$src\") | + select(.timer == \"0.00\")" &>/dev/null + check_err_fail $should_fail $? "Entry $src has zero timer" + + bridge -j -d -s mdb show dev br0 \ + | jq -e ".[].mdb[] | \ + select(.grp == \"$TEST_GROUP\" and .src == \"$src\" and \ + .flags[] == \"blocked\")" &>/dev/null + check_err_fail $should_fail $? "Entry $src has blocked flag" + done +} |