| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/tools/testing/selftests/net/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 75 kB |
|
Quelle fib_nexthops.sh Sprache: Shell |
|||||||||||||||
|
#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # ns: me | ns: peer | ns: remote # 2001:db8:91::1 | 2001:db8:91::2 | # 172.16.1.1 | 172.16.1.2 | # veth1 <---|---> veth2 | # | veth5 <--|--> veth6 172.16.101.1 # veth3 <---|---> veth4 | 2001:db8:101::1 # 172.16.2.1 | 172.16.2.2 | # 2001:db8:92::1 | 2001:db8:92::2 | # # This test is for checking IPv4 and IPv6 FIB behavior with nexthop # objects. Device reference counts and network namespace cleanup tested # by use of network namespace for peer. source lib.sh ret=0 # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 # all tests in this script. Can be overridden with -t option IPV4_TESTS=" ipv4_fcnal ipv4_grp_fcnal ipv4_res_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_large_grp ipv4_large_res_grp ipv4_compat_mode ipv4_fdb_grp_fcnal ipv4_mpath_select ipv4_torture ipv4_res_torture " IPV6_TESTS=" ipv6_fcnal ipv6_grp_fcnal ipv6_res_grp_fcnal ipv6_fcnal_runtime ipv6_large_grp ipv6_large_res_grp ipv6_compat_mode ipv6_fdb_grp_fcnal ipv6_mpath_select ipv6_torture ipv6_res_torture " ALL_TESTS=" basic basic_res ${IPV4_TESTS} ${IPV6_TESTS} " TESTS="${ALL_TESTS}" VERBOSE=0 PAUSE_ON_FAIL=no PAUSE=no PING_TIMEOUT=5 nsid=100 ################################################################################ # utilities log_test() { local rc=$1 local expected=$2 local msg="$3" if [ ${rc} -eq ${expected} ]; then printf "TEST: %-60s [ OK ]\n" "${msg}" nsuccess=$((nsuccess+1)) else if [[ $rc -eq $ksft_skip ]]; then [[ $ret -eq 0 ]] && ret=$ksft_skip nskip=$((nskip+1)) printf "TEST: %-60s [SKIP]\n" "${msg}" else ret=1 nfail=$((nfail+1)) printf "TEST: %-60s [FAIL]\n" "${msg}" fi if [ "$VERBOSE" = "1" ]; then echo " rc=$rc, expected $expected" fi if [ "${PAUSE_ON_FAIL}" = "yes" ]; then echo echo "hit enter to continue, 'q' to quit" read a [ "$a" = "q" ] && exit 1 fi fi if [ "${PAUSE}" = "yes" ]; then echo echo "hit enter to continue, 'q' to quit" read a [ "$a" = "q" ] && exit 1 fi [ "$VERBOSE" = "1" ] && echo } run_cmd() { local cmd="$1" local out local stderr="2>/dev/null" if [ "$VERBOSE" = "1" ]; then printf "COMMAND: $cmd\n" stderr= fi out=$(eval $cmd $stderr) rc=$? if [ "$VERBOSE" = "1" -a -n "$out" ]; then echo " $out" fi return $rc } get_linklocal() { local dev=$1 local ns local addr [ -n "$2" ] && ns="-netns $2" addr=$(ip $ns -6 -br addr show dev ${dev} | \ awk '{ for (i = 3; i <= NF; ++i) { if ($i ~ /^fe80/) print $i } }' ) addr=${addr/\/*} [ -z "$addr" ] && return 1 echo $addr return 0 } create_ns() { local n=${1} set -e ip netns exec ${n} sysctl -qw net.ipv4.ip_forward=1 ip netns exec ${n} sysctl -qw net.ipv4.fib_multipath_use_neigh=1 ip netns exec ${n} sysctl -qw net.ipv4.conf.default.ignore_routes_with_linkdown=1 ip netns exec ${n} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1 ip netns exec ${n} sysctl -qw net.ipv6.conf.all.forwarding=1 ip netns exec ${n} sysctl -qw net.ipv6.conf.default.forwarding=1 ip netns exec ${n} sysctl -qw net.ipv6.conf.default.ignore_routes_with_linkdown=1 ip netns exec ${n} sysctl -qw net.ipv6.conf.all.accept_dad=0 ip netns exec ${n} sysctl -qw net.ipv6.conf.default.accept_dad=0 set +e } setup() { cleanup setup_ns me peer remote create_ns $me create_ns $peer create_ns $remote IP="ip -netns $me" BRIDGE="bridge -netns $me" set -e $IP li add veth1 type veth peer name veth2 $IP li set veth1 up $IP addr add 172.16.1.1/24 dev veth1 $IP -6 addr add 2001:db8:91::1/64 dev veth1 nodad $IP li add veth3 type veth peer name veth4 $IP li set veth3 up $IP addr add 172.16.2.1/24 dev veth3 $IP -6 addr add 2001:db8:92::1/64 dev veth3 nodad $IP li set veth2 netns $peer up ip -netns $peer addr add 172.16.1.2/24 dev veth2 ip -netns $peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad $IP li set veth4 netns $peer up ip -netns $peer addr add 172.16.2.2/24 dev veth4 ip -netns $peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad ip -netns $remote li add veth5 type veth peer name veth6 ip -netns $remote li set veth5 up ip -netns $remote addr add dev veth5 172.16.101.1/24 ip -netns $remote -6 addr add dev veth5 2001:db8:101::1/64 nodad ip -netns $remote ro add 172.16.0.0/22 via 172.16.101.2 ip -netns $remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2 ip -netns $remote li set veth6 netns $peer up ip -netns $peer addr add dev veth6 172.16.101.2/24 ip -netns $peer -6 addr add dev veth6 2001:db8:101::2/64 nodad set +e } cleanup() { local ns for ns in $me $peer $remote; do ip netns del ${ns} 2>/dev/null done } check_output() { local out="$1" local expected="$2" local rc=0 [ "${out}" = "${expected}" ] && return 0 if [ -z "${out}" ]; then if [ "$VERBOSE" = "1" ]; then printf "\nNo entry found\n" printf "Expected:\n" printf " ${expected}\n" fi return 1 fi out=$(echo ${out}) if [ "${out}" != "${expected}" ]; then rc=1 if [ "${VERBOSE}" = "1" ]; then printf " Unexpected entry. Have:\n" printf " ${out}\n" printf " Expected:\n" printf " ${expected}\n\n" else echo " WARNING: Unexpected route entry" fi fi return $rc } check_nexthop() { local nharg="$1" local expected="$2" local out out=$($IP nexthop ls ${nharg} 2>/dev/null) check_output "${out}" "${expected}" } check_nexthop_bucket() { local nharg="$1" local expected="$2" local out # remove the idle time since we cannot match it out=$($IP nexthop bucket ${nharg} \ | sed s/idle_time\ [0-9.]*\ // 2>/dev/null) check_output "${out}" "${expected}" } check_route() { local pfx="$1" local expected="$2" local out out=$($IP route ls match ${pfx} 2>/dev/null) check_output "${out}" "${expected}" } check_route6() { local pfx="$1" local expected="$2" local out out=$($IP -6 route ls match ${pfx} 2>/dev/null | sed -e 's/pref medium//') check_output "${out}" "${expected}" } check_large_grp() { local ipv=$1 local ecmp=$2 local grpnum=100 local nhidstart=100 local grpidstart=1000 local iter=0 local nhidstr="" local grpidstr="" local grpstr="" local ipstr="" if [ $ipv -eq 4 ]; then ipstr="172.16.1." else ipstr="2001:db8:91::" fi # # Create $grpnum groups with specified $ecmp and dump them # # create nexthops with different gateways iter=2 while [ $iter -le $(($ecmp + 1)) ] do nhidstr="$(($nhidstart + $iter))" run_cmd "$IP nexthop add id $nhidstr via $ipstr$iter dev veth1" check_nexthop "id $nhidstr" "id $nhidstr via $ipstr$iter dev veth1 scope link" if [ $iter -le $ecmp ]; then grpstr+="$nhidstr/" else grpstr+="$nhidstr" fi ((iter++)) done # create duplicate large ecmp groups iter=0 while [ $iter -le $grpnum ] do grpidstr="$(($grpidstart + $iter))" run_cmd "$IP nexthop add id $grpidstr group $grpstr" check_nexthop "id $grpidstr" "id $grpidstr group $grpstr" ((iter++)) done # dump large groups run_cmd "$IP nexthop list" log_test $? 0 "Dump large (x$ecmp) ecmp groups" } check_large_res_grp() { local ipv=$1 local buckets=$2 local ipstr="" if [ $ipv -eq 4 ]; then ipstr="172.16.1.2" else ipstr="2001:db8:91::2" fi # create a resilient group with $buckets buckets and dump them run_cmd "$IP nexthop add id 100 via $ipstr dev veth1" run_cmd "$IP nexthop add id 1000 group 100 type resilient buckets $buckets" run_cmd "$IP nexthop bucket list" log_test $? 0 "Dump large (x$buckets) nexthop buckets" } get_route_dev() { local pfx="$1" local out if out=$($IP -j route get "$pfx" | jq -re ".[0].dev"); then echo "$out" fi } check_route_dev() { local pfx="$1" local expected="$2" local out out=$(get_route_dev "$pfx") check_output "$out" "$expected" } start_ip_monitor() { local mtype=$1 # start the monitor in the background tmpfile=`mktemp /var/run/nexthoptestXXX` mpid=`($IP monitor $mtype > $tmpfile & echo $!) 2>/dev/null` sleep 0.2 echo "$mpid $tmpfile" } stop_ip_monitor() { local mpid=$1 local tmpfile=$2 local el=$3 # check the monitor results kill $mpid lines=`wc -l $tmpfile | cut "-d " -f1` test $lines -eq $el rc=$? rm -rf $tmpfile return $rc } check_nexthop_fdb_support() { $IP nexthop help 2>&1 | grep -q fdb if [ $? -ne 0 ]; then echo "SKIP: iproute2 too old, missing fdb nexthop support" return $ksft_skip fi } check_nexthop_res_support() { $IP nexthop help 2>&1 | grep -q resilient if [ $? -ne 0 ]; then echo "SKIP: iproute2 too old, missing resilient nexthop group support" return $ksft_skip fi } ipv6_fdb_grp_fcnal() { local rc echo echo "IPv6 fdb groups functional" echo "--------------------------" check_nexthop_fdb_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi # create group with multiple nexthops run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 fdb" run_cmd "$IP nexthop add id 62 via 2001:db8:91::3 fdb" run_cmd "$IP nexthop add id 102 group 61/62 fdb" check_nexthop "id 102" "id 102 group 61/62 fdb" log_test $? 0 "Fdb Nexthop group with multiple nexthops" ## get nexthop group run_cmd "$IP nexthop get id 102" check_nexthop "id 102" "id 102 group 61/62 fdb" log_test $? 0 "Get Fdb nexthop group by id" # fdb nexthop group can only contain fdb nexthops run_cmd "$IP nexthop add id 63 via 2001:db8:91::4 dev veth1" run_cmd "$IP nexthop add id 64 via 2001:db8:91::5 dev veth1" run_cmd "$IP nexthop add id 103 group 63/64 fdb" log_test $? 2 "Fdb Nexthop group with non-fdb nexthops" # Non fdb nexthop group can not contain fdb nexthops run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 fdb" run_cmd "$IP nexthop add id 66 via 2001:db8:91::6 fdb" run_cmd "$IP nexthop add id 104 group 65/66" log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops" # fdb nexthop cannot have blackhole run_cmd "$IP nexthop add id 67 blackhole fdb" log_test $? 2 "Fdb Nexthop with blackhole" # fdb nexthop with oif run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 dev veth1 fdb" log_test $? 2 "Fdb Nexthop with oif" # fdb nexthop with onlink run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 onlink fdb" log_test $? 2 "Fdb Nexthop with onlink" # fdb nexthop with encap run_cmd "$IP nexthop add id 69 encap mpls 101 via 2001:db8:91::8 dev veth1 fdb" log_test $? 2 "Fdb Nexthop with encap" # Replace FDB nexthop to non-FDB and vice versa run_cmd "$IP nexthop add id 70 via 2001:db8:91::2 fdb" run_cmd "$IP nexthop replace id 70 via 2001:db8:91::2 dev veth1" log_test $? 0 "Replace FDB nexthop to non-FDB nexthop" run_cmd "$IP nexthop replace id 70 via 2001:db8:91::2 fdb" log_test $? 0 "Replace non-FDB nexthop to FDB nexthop" # Replace FDB nexthop address while in a group run_cmd "$IP nexthop add id 71 group 70 fdb" run_cmd "$IP nexthop replace id 70 via 2001:db8:91::3 fdb" log_test $? 0 "Replace FDB nexthop address while in a group" # Cannot replace FDB nexthop to non-FDB and vice versa while in a group run_cmd "$IP nexthop replace id 70 via 2001:db8:91::2 dev veth1" log_test $? 2 "Replace FDB nexthop to non-FDB nexthop while in a group" run_cmd "$IP nexthop add id 72 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 73 group 72" run_cmd "$IP nexthop replace id 72 via 2001:db8:91::2 fdb" log_test $? 2 "Replace non-FDB nexthop to FDB nexthop while in a group" run_cmd "$IP link add name vx10 type vxlan id 1010 local 2001:db8:91::9 remote 20 run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self" log_test $? 0 "Fdb mac add with nexthop group" ## fdb nexthops can only reference nexthop groups and not nexthops run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 61 self" log_test $? 255 "Fdb mac add with nexthop" run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 66" log_test $? 2 "Route add with fdb nexthop" run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 103" log_test $? 2 "Route add with fdb nexthop group" run_cmd "$IP nexthop del id 61" run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self" log_test $? 0 "Fdb entry after deleting a single nexthop" run_cmd "$IP nexthop del id 102" log_test $? 0 "Fdb nexthop delete" run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self" log_test $? 254 "Fdb entry after deleting a nexthop group" $IP link del dev vx10 } ipv4_fdb_grp_fcnal() { local rc echo echo "IPv4 fdb groups functional" echo "--------------------------" check_nexthop_fdb_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi # create group with multiple nexthops run_cmd "$IP nexthop add id 12 via 172.16.1.2 fdb" run_cmd "$IP nexthop add id 13 via 172.16.1.3 fdb" run_cmd "$IP nexthop add id 102 group 12/13 fdb" check_nexthop "id 102" "id 102 group 12/13 fdb" log_test $? 0 "Fdb Nexthop group with multiple nexthops" # get nexthop group run_cmd "$IP nexthop get id 102" check_nexthop "id 102" "id 102 group 12/13 fdb" log_test $? 0 "Get Fdb nexthop group by id" # fdb nexthop group can only contain fdb nexthops run_cmd "$IP nexthop add id 14 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 15 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop add id 103 group 14/15 fdb" log_test $? 2 "Fdb Nexthop group with non-fdb nexthops" # Non fdb nexthop group can not contain fdb nexthops run_cmd "$IP nexthop add id 16 via 172.16.1.2 fdb" run_cmd "$IP nexthop add id 17 via 172.16.1.3 fdb" run_cmd "$IP nexthop add id 104 group 16/17" log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops" # fdb nexthop cannot have blackhole run_cmd "$IP nexthop add id 18 blackhole fdb" log_test $? 2 "Fdb Nexthop with blackhole" # fdb nexthop with oif run_cmd "$IP nexthop add id 16 via 172.16.1.2 dev veth1 fdb" log_test $? 2 "Fdb Nexthop with oif" # fdb nexthop with onlink run_cmd "$IP nexthop add id 16 via 172.16.1.2 onlink fdb" log_test $? 2 "Fdb Nexthop with onlink" # fdb nexthop with encap run_cmd "$IP nexthop add id 17 encap mpls 101 via 172.16.1.2 dev veth1 fdb" log_test $? 2 "Fdb Nexthop with encap" # Replace FDB nexthop to non-FDB and vice versa run_cmd "$IP nexthop add id 18 via 172.16.1.2 fdb" run_cmd "$IP nexthop replace id 18 via 172.16.1.2 dev veth1" log_test $? 0 "Replace FDB nexthop to non-FDB nexthop" run_cmd "$IP nexthop replace id 18 via 172.16.1.2 fdb" log_test $? 0 "Replace non-FDB nexthop to FDB nexthop" # Replace FDB nexthop address while in a group run_cmd "$IP nexthop add id 19 group 18 fdb" run_cmd "$IP nexthop replace id 18 via 172.16.1.3 fdb" log_test $? 0 "Replace FDB nexthop address while in a group" # Cannot replace FDB nexthop to non-FDB and vice versa while in a group run_cmd "$IP nexthop replace id 18 via 172.16.1.2 dev veth1" log_test $? 2 "Replace FDB nexthop to non-FDB nexthop while in a group" run_cmd "$IP nexthop add id 20 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 21 group 20" run_cmd "$IP nexthop replace id 20 via 172.16.1.2 fdb" log_test $? 2 "Replace non-FDB nexthop to FDB nexthop while in a group" run_cmd "$IP link add name vx10 type vxlan id 1010 local 10.0.0.1 remote 10.0.0.2 run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self" log_test $? 0 "Fdb mac add with nexthop group" # fdb nexthops can only reference nexthop groups and not nexthops run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 12 self" log_test $? 255 "Fdb mac add with nexthop" run_cmd "$IP ro add 172.16.0.0/22 nhid 16" log_test $? 2 "Route add with fdb nexthop" run_cmd "$IP ro add 172.16.0.0/22 nhid 103" log_test $? 2 "Route add with fdb nexthop group" run_cmd "$IP nexthop del id 12" run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self" log_test $? 0 "Fdb entry after deleting a single nexthop" run_cmd "$IP nexthop del id 102" log_test $? 0 "Fdb nexthop delete" run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self" log_test $? 254 "Fdb entry after deleting a nexthop group" $IP link del dev vx10 } ipv4_mpath_select() { local rc dev match h addr echo echo "IPv4 multipath selection" echo "------------------------" if [ ! -x "$(command -v jq)" ]; then echo "SKIP: Could not run test; need jq tool" return $ksft_skip fi # Use status of existing neighbor entry when determining nexthop for # multipath routes. local -A gws gws=([veth1]=172.16.1.2 [veth3]=172.16.2.2) local -A other_dev other_dev=([veth1]=veth3 [veth3]=veth1) run_cmd "$IP nexthop add id 1 via ${gws["veth1"]} dev veth1" run_cmd "$IP nexthop add id 2 via ${gws["veth3"]} dev veth3" run_cmd "$IP nexthop add id 1001 group 1/2" run_cmd "$IP ro add 172.16.101.0/24 nhid 1001" rc=0 for dev in veth1 veth3; do match=0 for h in {1..254}; do addr="172.16.101.$h" if [ "$(get_route_dev "$addr")" = "$dev" ]; then match=1 break fi done if (( match == 0 )); then echo "SKIP: Did not find a route using device $dev" return $ksft_skip fi run_cmd "$IP neigh add ${gws[$dev]} dev $dev nud failed" if ! check_route_dev "$addr" "${other_dev[$dev]}"; then rc=1 break fi run_cmd "$IP neigh del ${gws[$dev]} dev $dev" done log_test $rc 0 "Use valid neighbor during multipath selection" run_cmd "$IP neigh add 172.16.1.2 dev veth1 nud incomplete" run_cmd "$IP neigh add 172.16.2.2 dev veth3 nud incomplete" run_cmd "$IP route get 172.16.101.1" # if we did not crash, success log_test $rc 0 "Multipath selection with no valid neighbor" } ipv6_mpath_select() { local rc dev match h addr echo echo "IPv6 multipath selection" echo "------------------------" if [ ! -x "$(command -v jq)" ]; then echo "SKIP: Could not run test; need jq tool" return $ksft_skip fi # Use status of existing neighbor entry when determining nexthop for # multipath routes. local -A gws gws=([veth1]=2001:db8:91::2 [veth3]=2001:db8:92::2) local -A other_dev other_dev=([veth1]=veth3 [veth3]=veth1) run_cmd "$IP nexthop add id 1 via ${gws["veth1"]} dev veth1" run_cmd "$IP nexthop add id 2 via ${gws["veth3"]} dev veth3" run_cmd "$IP nexthop add id 1001 group 1/2" run_cmd "$IP ro add 2001:db8:101::/64 nhid 1001" rc=0 for dev in veth1 veth3; do match=0 for h in {1..65535}; do addr=$(printf "2001:db8:101::%x" $h) if [ "$(get_route_dev "$addr")" = "$dev" ]; then match=1 break fi done if (( match == 0 )); then echo "SKIP: Did not find a route using device $dev" return $ksft_skip fi run_cmd "$IP neigh add ${gws[$dev]} dev $dev nud failed" if ! check_route_dev "$addr" "${other_dev[$dev]}"; then rc=1 break fi run_cmd "$IP neigh del ${gws[$dev]} dev $dev" done log_test $rc 0 "Use valid neighbor during multipath selection" run_cmd "$IP neigh add 2001:db8:91::2 dev veth1 nud incomplete" run_cmd "$IP neigh add 2001:db8:92::2 dev veth3 nud incomplete" run_cmd "$IP route get 2001:db8:101::1" # if we did not crash, success log_test $rc 0 "Multipath selection with no valid neighbor" } ################################################################################ # basic operations (add, delete, replace) on nexthops and nexthop groups # # IPv6 ipv6_fcnal() { local rc echo echo "IPv6" echo "----------------------" run_cmd "$IP nexthop add id 52 via 2001:db8:91::2 dev veth1" rc=$? log_test $rc 0 "Create nexthop with id, gw, dev" if [ $rc -ne 0 ]; then echo "Basic IPv6 create fails; can not continue" return 1 fi run_cmd "$IP nexthop get id 52" log_test $? 0 "Get nexthop by id" check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1 scope link" run_cmd "$IP nexthop del id 52" log_test $? 0 "Delete nexthop by id" check_nexthop "id 52" "" # # gw, device spec # # gw validation, no device - fails since dev required run_cmd "$IP nexthop add id 52 via 2001:db8:92::3" log_test $? 2 "Create nexthop - gw only" # gw is not reachable through given dev run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1" log_test $? 2 "Create nexthop - invalid gw+dev combination" # onlink arg overrides gw+dev lookup run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1 onlink" log_test $? 0 "Create nexthop - gw+dev and onlink" # admin down should delete nexthops set -e run_cmd "$IP -6 nexthop add id 55 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 56 via 2001:db8:91::4 dev veth1" run_cmd "$IP nexthop add id 57 via 2001:db8:91::5 dev veth1" run_cmd "$IP li set dev veth1 down" set +e check_nexthop "dev veth1" "" log_test $? 0 "Nexthops removed on admin down" } ipv6_grp_refs() { if [ ! -x "$(command -v mausezahn)" ]; then echo "SKIP: Could not run test; need mausezahn tool" return fi run_cmd "$IP link set dev veth1 up" run_cmd "$IP link add veth1.10 link veth1 up type vlan id 10" run_cmd "$IP link add veth1.20 link veth1 up type vlan id 20" run_cmd "$IP -6 addr add 2001:db8:91::1/64 dev veth1.10" run_cmd "$IP -6 addr add 2001:db8:92::1/64 dev veth1.20" run_cmd "$IP -6 neigh add 2001:db8:91::2 lladdr 00:11:22:33:44:55 dev veth1.10" run_cmd "$IP -6 neigh add 2001:db8:92::2 lladdr 00:11:22:33:44:55 dev veth1.20" run_cmd "$IP nexthop add id 100 via 2001:db8:91::2 dev veth1.10" run_cmd "$IP nexthop add id 101 via 2001:db8:92::2 dev veth1.20" run_cmd "$IP nexthop add id 102 group 100" run_cmd "$IP route add 2001:db8:101::1/128 nhid 102" # create per-cpu dsts through nh 100 run_cmd "ip netns exec $me mausezahn -6 veth1.10 -B 2001:db8:101::1 -A 2001:db8:9 # remove nh 100 from the group to delete the route potentially leaving # a stale per-cpu dst which holds a reference to the nexthop's net # device and to the IPv6 route run_cmd "$IP nexthop replace id 102 group 101" run_cmd "$IP route del 2001:db8:101::1/128" # add both nexthops to the group so a reference is taken on them run_cmd "$IP nexthop replace id 102 group 100/101" # if the bug described in commit "net: nexthop: release IPv6 per-cpu # dsts when replacing a nexthop group" exists at this point we have # an unlinked IPv6 route (but not freed due to stale dst) with a # reference over the group so we delete the group which will again # only unlink it due to the route reference run_cmd "$IP nexthop del id 102" # delete the nexthop with stale dst, since we have an unlinked # group with a ref to it and an unlinked IPv6 route with ref to the # group, the nh will only be unlinked and not freed so the stale dst # remains forever and we get a net device refcount imbalance run_cmd "$IP nexthop del id 100" # if a reference was lost this command will hang because the net device # cannot be removed timeout -s KILL 5 ip netns exec $me ip link del veth1.10 >/dev/null 2>&1 # we can't cleanup if the command is hung trying to delete the netdev if [ $? -eq 137 ]; then return 1 fi # cleanup run_cmd "$IP link del veth1.20" run_cmd "$IP nexthop flush" return 0 } ipv6_grp_fcnal() { local rc echo echo "IPv6 groups functional" echo "----------------------" # basic functionality: create a nexthop group, default weight run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 101 group 61" log_test $? 0 "Create nexthop group with single nexthop" # get nexthop group run_cmd "$IP nexthop get id 101" log_test $? 0 "Get nexthop group by id" check_nexthop "id 101" "id 101 group 61" # delete nexthop group run_cmd "$IP nexthop del id 101" log_test $? 0 "Delete nexthop group by id" check_nexthop "id 101" "" $IP nexthop flush >/dev/null 2>&1 check_nexthop "id 101" "" # # create group with multiple nexthops - mix of gw and dev only # run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1" run_cmd "$IP nexthop add id 65 dev veth1" run_cmd "$IP nexthop add id 102 group 62/63/64/65" log_test $? 0 "Nexthop group with multiple nexthops" check_nexthop "id 102" "id 102 group 62/63/64/65" # Delete nexthop in a group and group is updated run_cmd "$IP nexthop del id 63" check_nexthop "id 102" "id 102 group 62/64/65" log_test $? 0 "Nexthop group updated when entry is deleted" # create group with multiple weighted nexthops run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 103 group 62/63,2/64,3/65,4" log_test $? 0 "Nexthop group with weighted nexthops" check_nexthop "id 103" "id 103 group 62/63,2/64,3/65,4" # Delete nexthop in a weighted group and group is updated run_cmd "$IP nexthop del id 63" check_nexthop "id 103" "id 103 group 62/64,3/65,4" log_test $? 0 "Weighted nexthop group updated when entry is deleted" # admin down - nexthop is removed from group run_cmd "$IP li set dev veth1 down" check_nexthop "dev veth1" "" log_test $? 0 "Nexthops in groups removed on admin down" # expect groups to have been deleted as well check_nexthop "" "" run_cmd "$IP li set dev veth1 up" $IP nexthop flush >/dev/null 2>&1 # group with nexthops using different devices set -e run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1" run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1" run_cmd "$IP nexthop add id 72 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 73 via 2001:db8:92::3 dev veth3" run_cmd "$IP nexthop add id 74 via 2001:db8:92::4 dev veth3" run_cmd "$IP nexthop add id 75 via 2001:db8:92::5 dev veth3" set +e # multiple groups with same nexthop run_cmd "$IP nexthop add id 104 group 62" run_cmd "$IP nexthop add id 105 group 62" check_nexthop "group" "id 104 group 62 id 105 group 62" log_test $? 0 "Multiple groups with same nexthop" run_cmd "$IP nexthop flush groups" [ $? -ne 0 ] && return 1 # on admin down of veth1, it should be removed from the group run_cmd "$IP nexthop add id 105 group 62/63/72/73/64" run_cmd "$IP li set veth1 down" check_nexthop "id 105" "id 105 group 72/73" log_test $? 0 "Nexthops in group removed on admin down - mixed group" run_cmd "$IP nexthop add id 106 group 105/74" log_test $? 2 "Nexthop group can not have a group as an entry" # a group can have a blackhole entry only if it is the only # nexthop in the group. Needed for atomic replace with an # actual nexthop group run_cmd "$IP -6 nexthop add id 31 blackhole" run_cmd "$IP nexthop add id 107 group 31" log_test $? 0 "Nexthop group with a blackhole entry" run_cmd "$IP nexthop add id 108 group 31/24" log_test $? 2 "Nexthop group can not have a blackhole and another nexthop" ipv6_grp_refs log_test $? 0 "Nexthop group replace refcounts" # # 16-bit weights. # run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1" run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1" run_cmd "$IP nexthop add id 66 dev veth1" run_cmd "$IP nexthop add id 103 group 62,1000" if [[ $? == 0 ]]; then local GRP="id 103 group 62,254/63,255/64,256/65,257/66,65535" run_cmd "$IP nexthop replace $GRP" check_nexthop "id 103" "$GRP" rc=$? else rc=$ksft_skip fi $IP nexthop flush >/dev/null 2>&1 log_test $rc 0 "16-bit weights" } ipv6_res_grp_fcnal() { local rc echo echo "IPv6 resilient groups functional" echo "--------------------------------" check_nexthop_res_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi # # migration of nexthop buckets - equal weights # run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 102 group 62/63 type resilient buckets 2 idle_timer 0 run_cmd "$IP nexthop del id 63" check_nexthop "id 102" \ "id 102 group 62 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbala log_test $? 0 "Nexthop group updated when entry is deleted" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 62 id 102 index 1 nhid 62" log_test $? 0 "Nexthop buckets updated when entry is deleted" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop replace id 102 group 62/63 type resilient buckets 2 idle_tim check_nexthop "id 102" \ "id 102 group 62/63 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unb log_test $? 0 "Nexthop group updated after replace" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 63 id 102 index 1 nhid 62" log_test $? 0 "Nexthop buckets updated after replace" $IP nexthop flush >/dev/null 2>&1 # # migration of nexthop buckets - unequal weights # run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 102 group 62,3/63,1 type resilient buckets 4 idle_tim run_cmd "$IP nexthop del id 63" check_nexthop "id 102" \ "id 102 group 62,3 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unba log_test $? 0 "Nexthop group updated when entry is deleted - nECMP" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 62 id 102 index 1 nhid 62 id 102 index 2 nhid 62 id 102 ind log_test $? 0 "Nexthop buckets updated when entry is deleted - nECMP" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop replace id 102 group 62,3/63,1 type resilient buckets 4 idle check_nexthop "id 102" \ "id 102 group 62,3/63 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 u log_test $? 0 "Nexthop group updated after replace - nECMP" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 63 id 102 index 1 nhid 62 id 102 index 2 nhid 62 id 102 ind log_test $? 0 "Nexthop buckets updated after replace - nECMP" # # 16-bit weights. # run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1" run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1" run_cmd "$IP nexthop add id 66 dev veth1" run_cmd "$IP nexthop add id 103 group 62,1000 type resilient buckets 32" if [[ $? == 0 ]]; then local GRP="id 103 group 62,254/63,255/64,256/65,257/66,65535 $(: )type resilient buckets 32 idle_timer 0 $(: )unbalanced_timer 0" run_cmd "$IP nexthop replace $GRP" check_nexthop "id 103" "$GRP unbalanced_time 0" rc=$? else rc=$ksft_skip fi $IP nexthop flush >/dev/null 2>&1 log_test $rc 0 "16-bit weights" } ipv6_fcnal_runtime() { local rc echo echo "IPv6 functional runtime" echo "-----------------------" # # IPv6 - the basics # run_cmd "$IP nexthop add id 81 via 2001:db8:91::2 dev veth1" run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81" log_test $? 0 "Route add" run_cmd "$IP ro delete 2001:db8:101::1/128 nhid 81" log_test $? 0 "Route delete" run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping with nexthop" run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 122 group 81/82" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping - multipath" # # IPv6 with blackhole nexthops # run_cmd "$IP -6 nexthop add id 83 blackhole" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 2 "Ping - blackhole" run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping - blackhole replaced with gateway" run_cmd "$IP -6 nexthop replace id 83 blackhole" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 2 "Ping - gateway replaced by blackhole" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" if [ $? -eq 0 ]; then run_cmd "$IP nexthop replace id 122 group 83" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 2 "Ping - group with blackhole" run_cmd "$IP nexthop replace id 122 group 81/82" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping - group blackhole replaced with gateways" else log_test 2 0 "Ping - multipath failed" fi # # device only and gw + dev only mix # run_cmd "$IP -6 nexthop add id 85 dev veth1" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85" log_test $? 0 "IPv6 route with device only nexthop" check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1 metric 1024" run_cmd "$IP nexthop add id 123 group 81/85" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123" log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw" check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 123 metric 1024 nexthop via 2 # # IPv6 route with v4 nexthop - not allowed # run_cmd "$IP ro delete 2001:db8:101::1/128" run_cmd "$IP nexthop add id 84 via 172.16.1.1 dev veth1" run_cmd "$IP ro add 2001:db8:101::1/128 nhid 84" log_test $? 2 "IPv6 route can not have a v4 gateway" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 81" run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1" log_test $? 2 "Nexthop replace - v6 route, v4 nexthop" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122" run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1" log_test $? 2 "Nexthop replace of group entry - v6 route, v4 nexthop" run_cmd "$IP nexthop add id 86 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 87 via 172.16.1.1 dev veth1" run_cmd "$IP nexthop add id 88 via 172.16.1.1 dev veth1" run_cmd "$IP nexthop add id 124 group 86/87/88" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124" log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways" run_cmd "$IP nexthop del id 88" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124" log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways" run_cmd "$IP nexthop del id 87" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124" log_test $? 0 "IPv6 route using a group after removing v4 gateways" run_cmd "$IP ro delete 2001:db8:101::1/128" run_cmd "$IP nexthop add id 87 via 172.16.1.1 dev veth1" run_cmd "$IP nexthop add id 88 via 172.16.1.1 dev veth1" run_cmd "$IP nexthop replace id 124 group 86/87/88" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124" log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways" run_cmd "$IP nexthop replace id 88 via 2001:db8:92::2 dev veth3" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124" log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways" run_cmd "$IP nexthop replace id 87 via 2001:db8:92::2 dev veth3" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124" log_test $? 0 "IPv6 route using a group after replacing v4 gateways" $IP nexthop flush >/dev/null 2>&1 # # weird IPv6 cases # run_cmd "$IP nexthop add id 86 via 2001:db8:91::2 dev veth1" run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81" # route can not use prefsrc with nexthops run_cmd "$IP ro add 2001:db8:101::2/128 nhid 86 from 2001:db8:91::1" log_test $? 2 "IPv6 route can not use src routing with external nexthop" # check cleanup path on invalid metric run_cmd "$IP ro add 2001:db8:101::2/128 nhid 86 congctl lock foo" log_test $? 2 "IPv6 route with invalid metric" # rpfilter and default route $IP nexthop flush >/dev/null 2>&1 run_cmd "ip netns exec $me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --inve run_cmd "$IP nexthop add id 91 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 92 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 93 group 91/92" run_cmd "$IP -6 ro add default nhid 91" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Nexthop with default route and rpfilter" run_cmd "$IP -6 ro replace default nhid 93" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Nexthop with multipath default route and rpfilter" # TO-DO: # existing route with old nexthop; append route with new nexthop # existing route with old nexthop; replace route with new # existing route with new nexthop; replace route with old # route with src address and using nexthop - not allowed } ipv6_large_grp() { local ecmp=32 echo echo "IPv6 large groups (x$ecmp)" echo "---------------------" check_large_grp 6 $ecmp $IP nexthop flush >/dev/null 2>&1 } ipv6_large_res_grp() { echo echo "IPv6 large resilient group (128k buckets)" echo "-----------------------------------------" check_nexthop_res_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi check_large_res_grp 6 $((128 * 1024)) $IP nexthop flush >/dev/null 2>&1 } ipv6_del_add_loop1() { while :; do $IP nexthop del id 100 $IP nexthop add id 100 via 2001:db8:91::2 dev veth1 done >/dev/null 2>&1 } ipv6_grp_replace_loop() { while :; do $IP nexthop replace id 102 group 100/101 done >/dev/null 2>&1 } ipv6_torture() { local pid1 local pid2 local pid3 local pid4 local pid5 echo echo "IPv6 runtime torture" echo "--------------------" if [ ! -x "$(command -v mausezahn)" ]; then echo "SKIP: Could not run test; need mausezahn tool" return fi run_cmd "$IP nexthop add id 100 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 101 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 102 group 100/101" run_cmd "$IP route add 2001:db8:101::1 nhid 102" run_cmd "$IP route add 2001:db8:101::2 nhid 102" ipv6_del_add_loop1 & pid1=$! ipv6_grp_replace_loop & pid2=$! ip netns exec $me ping -f 2001:db8:101::1 >/dev/null 2>&1 & pid3=$! ip netns exec $me ping -f 2001:db8:101::2 >/dev/null 2>&1 & pid4=$! ip netns exec $me mausezahn -6 veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-102 pid5=$! sleep 300 kill -9 $pid1 $pid2 $pid3 $pid4 $pid5 wait $pid1 $pid2 $pid3 $pid4 $pid5 2>/dev/null # if we did not crash, success log_test 0 0 "IPv6 torture test" } ipv6_res_grp_replace_loop() { while :; do $IP nexthop replace id 102 group 100/101 type resilient done >/dev/null 2>&1 } ipv6_res_torture() { local pid1 local pid2 local pid3 local pid4 local pid5 echo echo "IPv6 runtime resilient nexthop group torture" echo "--------------------------------------------" check_nexthop_res_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi if [ ! -x "$(command -v mausezahn)" ]; then echo "SKIP: Could not run test; need mausezahn tool" return fi run_cmd "$IP nexthop add id 100 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 101 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 102 group 100/101 type resilient buckets 512 idle_tim run_cmd "$IP route add 2001:db8:101::1 nhid 102" run_cmd "$IP route add 2001:db8:101::2 nhid 102" ipv6_del_add_loop1 & pid1=$! ipv6_res_grp_replace_loop & pid2=$! ip netns exec $me ping -f 2001:db8:101::1 >/dev/null 2>&1 & pid3=$! ip netns exec $me ping -f 2001:db8:101::2 >/dev/null 2>&1 & pid4=$! ip netns exec $me mausezahn -6 veth1 \ -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 \ -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & pid5=$! sleep 300 kill -9 $pid1 $pid2 $pid3 $pid4 $pid5 wait $pid1 $pid2 $pid3 $pid4 $pid5 2>/dev/null # if we did not crash, success log_test 0 0 "IPv6 resilient nexthop group torture test" } ipv4_fcnal() { local rc echo echo "IPv4 functional" echo "----------------------" # # basic IPv4 ops - add, get, delete # run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1" rc=$? log_test $rc 0 "Create nexthop with id, gw, dev" if [ $rc -ne 0 ]; then echo "Basic IPv4 create fails; can not continue" return 1 fi run_cmd "$IP nexthop get id 12" log_test $? 0 "Get nexthop by id" check_nexthop "id 12" "id 12 via 172.16.1.2 dev veth1 scope link" run_cmd "$IP nexthop del id 12" log_test $? 0 "Delete nexthop by id" check_nexthop "id 52" "" # # gw, device spec # # gw validation, no device - fails since dev is required run_cmd "$IP nexthop add id 12 via 172.16.2.3" log_test $? 2 "Create nexthop - gw only" # gw not reachable through given dev run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1" log_test $? 2 "Create nexthop - invalid gw+dev combination" # onlink flag overrides gw+dev lookup run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1 onlink" log_test $? 0 "Create nexthop - gw+dev and onlink" # admin down should delete nexthops set -e run_cmd "$IP nexthop add id 15 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop add id 16 via 172.16.1.4 dev veth1" run_cmd "$IP nexthop add id 17 via 172.16.1.5 dev veth1" run_cmd "$IP li set dev veth1 down" set +e check_nexthop "dev veth1" "" log_test $? 0 "Nexthops removed on admin down" # nexthop route delete warning: route add with nhid and delete # using device run_cmd "$IP li set dev veth1 up" run_cmd "$IP nexthop add id 12 via 172.16.1.3 dev veth1" out1=`dmesg | grep "WARNING:.*fib_nh_match.*" | wc -l` run_cmd "$IP route add 172.16.101.1/32 nhid 12" run_cmd "$IP route delete 172.16.101.1/32 dev veth1" out2=`dmesg | grep "WARNING:.*fib_nh_match.*" | wc -l` [ $out1 -eq $out2 ] rc=$? log_test $rc 0 "Delete nexthop route warning" run_cmd "$IP route delete 172.16.101.1/32 nhid 12" run_cmd "$IP nexthop del id 12" run_cmd "$IP nexthop add id 21 via 172.16.1.6 dev veth1" run_cmd "$IP ro add 172.16.101.0/24 nhid 21" run_cmd "$IP ro del 172.16.101.0/24 nexthop via 172.16.1.7 dev veth1 nexthop via log_test $? 2 "Delete multipath route with only nh id based entry" run_cmd "$IP nexthop add id 22 via 172.16.1.6 dev veth1" run_cmd "$IP ro add 172.16.102.0/24 nhid 22" run_cmd "$IP ro del 172.16.102.0/24 dev veth1" log_test $? 2 "Delete route when specifying only nexthop device" run_cmd "$IP ro del 172.16.102.0/24 via 172.16.1.6" log_test $? 2 "Delete route when specifying only gateway" run_cmd "$IP ro del 172.16.102.0/24" log_test $? 0 "Delete route when not specifying nexthop attributes" } ipv4_grp_fcnal() { local rc echo echo "IPv4 groups functional" echo "----------------------" # basic functionality: create a nexthop group, default weight run_cmd "$IP nexthop add id 11 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 101 group 11" log_test $? 0 "Create nexthop group with single nexthop" # get nexthop group run_cmd "$IP nexthop get id 101" log_test $? 0 "Get nexthop group by id" check_nexthop "id 101" "id 101 group 11" # delete nexthop group run_cmd "$IP nexthop del id 101" log_test $? 0 "Delete nexthop group by id" check_nexthop "id 101" "" $IP nexthop flush >/dev/null 2>&1 # # create group with multiple nexthops run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1" run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1" run_cmd "$IP nexthop add id 102 group 12/13/14/15" log_test $? 0 "Nexthop group with multiple nexthops" check_nexthop "id 102" "id 102 group 12/13/14/15" # Delete nexthop in a group and group is updated run_cmd "$IP nexthop del id 13" check_nexthop "id 102" "id 102 group 12/14/15" log_test $? 0 "Nexthop group updated when entry is deleted" # create group with multiple weighted nexthops run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop add id 103 group 12/13,2/14,3/15,4" log_test $? 0 "Nexthop group with weighted nexthops" check_nexthop "id 103" "id 103 group 12/13,2/14,3/15,4" # Delete nexthop in a weighted group and group is updated run_cmd "$IP nexthop del id 13" check_nexthop "id 103" "id 103 group 12/14,3/15,4" log_test $? 0 "Weighted nexthop group updated when entry is deleted" # admin down - nexthop is removed from group run_cmd "$IP li set dev veth1 down" check_nexthop "dev veth1" "" log_test $? 0 "Nexthops in groups removed on admin down" # expect groups to have been deleted as well check_nexthop "" "" run_cmd "$IP li set dev veth1 up" $IP nexthop flush >/dev/null 2>&1 # group with nexthops using different devices set -e run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1" run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1" run_cmd "$IP nexthop add id 22 via 172.16.2.2 dev veth3" run_cmd "$IP nexthop add id 23 via 172.16.2.3 dev veth3" run_cmd "$IP nexthop add id 24 via 172.16.2.4 dev veth3" run_cmd "$IP nexthop add id 25 via 172.16.2.5 dev veth3" set +e # multiple groups with same nexthop run_cmd "$IP nexthop add id 104 group 12" run_cmd "$IP nexthop add id 105 group 12" check_nexthop "group" "id 104 group 12 id 105 group 12" log_test $? 0 "Multiple groups with same nexthop" run_cmd "$IP nexthop flush groups" [ $? -ne 0 ] && return 1 # on admin down of veth1, it should be removed from the group run_cmd "$IP nexthop add id 105 group 12/13/22/23/14" run_cmd "$IP li set veth1 down" check_nexthop "id 105" "id 105 group 22/23" log_test $? 0 "Nexthops in group removed on admin down - mixed group" run_cmd "$IP nexthop add id 106 group 105/24" log_test $? 2 "Nexthop group can not have a group as an entry" # a group can have a blackhole entry only if it is the only # nexthop in the group. Needed for atomic replace with an # actual nexthop group run_cmd "$IP nexthop add id 31 blackhole" run_cmd "$IP nexthop add id 107 group 31" log_test $? 0 "Nexthop group with a blackhole entry" run_cmd "$IP nexthop add id 108 group 31/24" log_test $? 2 "Nexthop group can not have a blackhole and another nexthop" } ipv4_res_grp_fcnal() { local rc echo echo "IPv4 resilient groups functional" echo "--------------------------------" check_nexthop_res_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi # # migration of nexthop buckets - equal weights # run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop add id 102 group 12/13 type resilient buckets 2 idle_timer 0 run_cmd "$IP nexthop del id 13" check_nexthop "id 102" \ "id 102 group 12 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbala log_test $? 0 "Nexthop group updated when entry is deleted" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 12 id 102 index 1 nhid 12" log_test $? 0 "Nexthop buckets updated when entry is deleted" run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop replace id 102 group 12/13 type resilient buckets 2 idle_tim check_nexthop "id 102" \ "id 102 group 12/13 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unb log_test $? 0 "Nexthop group updated after replace" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 13 id 102 index 1 nhid 12" log_test $? 0 "Nexthop buckets updated after replace" $IP nexthop flush >/dev/null 2>&1 # # migration of nexthop buckets - unequal weights # run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop add id 102 group 12,3/13,1 type resilient buckets 4 idle_tim run_cmd "$IP nexthop del id 13" check_nexthop "id 102" \ "id 102 group 12,3 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unba log_test $? 0 "Nexthop group updated when entry is deleted - nECMP" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 12 id 102 index 1 nhid 12 id 102 index 2 nhid 12 id 102 ind log_test $? 0 "Nexthop buckets updated when entry is deleted - nECMP" run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1" run_cmd "$IP nexthop replace id 102 group 12,3/13,1 type resilient buckets 4 idle check_nexthop "id 102" \ "id 102 group 12,3/13 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 u log_test $? 0 "Nexthop group updated after replace - nECMP" check_nexthop_bucket "list id 102" \ "id 102 index 0 nhid 13 id 102 index 1 nhid 12 id 102 index 2 nhid 12 id 102 ind log_test $? 0 "Nexthop buckets updated after replace - nECMP" } ipv4_withv6_fcnal() { local lladdr set -e lladdr=$(get_linklocal veth2 $peer) run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1" set +e run_cmd "$IP ro add 172.16.101.1/32 nhid 11" log_test $? 0 "IPv6 nexthop with IPv4 route" check_route "172.16.101.1" "172.16.101.1 nhid 11 via inet6 ${lladdr} dev veth1" set -e run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 101 group 11/12" set +e run_cmd "$IP ro replace 172.16.101.1/32 nhid 101" log_test $? 0 "IPv6 nexthop with IPv4 route" check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1" log_test $? 0 "IPv4 route with IPv6 gateway" check_route "172.16.101.1" "172.16.101.1 via inet6 ${lladdr} dev veth1" run_cmd "$IP ro replace 172.16.101.1/32 via inet6 2001:db8:50::1 dev veth1" log_test $? 2 "IPv4 route with invalid IPv6 gateway" } ipv4_fcnal_runtime() { local lladdr local rc echo echo "IPv4 functional runtime" echo "-----------------------" run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1" run_cmd "$IP ro add 172.16.101.1/32 nhid 21" log_test $? 0 "Route add" check_route "172.16.101.1" "172.16.101.1 nhid 21 via 172.16.1.2 dev veth1" run_cmd "$IP ro delete 172.16.101.1/32 nhid 21" log_test $? 0 "Route delete" # # scope mismatch # run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1" run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host" log_test $? 2 "Route add - scope conflict with nexthop" run_cmd "$IP nexthop replace id 22 dev veth3" run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host" run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3" log_test $? 2 "Nexthop replace with invalid scope for existing route" # check cleanup path on invalid metric run_cmd "$IP ro add 172.16.101.2/32 nhid 22 congctl lock foo" log_test $? 2 "IPv4 route with invalid metric" # # add route with nexthop and check traffic # run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1" run_cmd "$IP ro replace 172.16.101.1/32 nhid 21" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Basic ping" run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3" run_cmd "$IP nexthop add id 122 group 21/22" run_cmd "$IP ro replace 172.16.101.1/32 nhid 122" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - multipath" run_cmd "$IP ro delete 172.16.101.1/32 nhid 122" # # multiple default routes # - tests fib_select_default run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1" run_cmd "$IP ro add default nhid 501" run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - multiple default routes, nh first" # flip the order run_cmd "$IP ro del default nhid 501" run_cmd "$IP ro del default via 172.16.1.3 dev veth1 metric 20" run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20" run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1" run_cmd "$IP ro add default nhid 501 metric 20" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - multiple default routes, nh second" run_cmd "$IP nexthop delete nhid 501" run_cmd "$IP ro del default" # # IPv4 with blackhole nexthops # run_cmd "$IP nexthop add id 23 blackhole" run_cmd "$IP ro replace 172.16.101.1/32 nhid 23" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 2 "Ping - blackhole" run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - blackhole replaced with gateway" run_cmd "$IP nexthop replace id 23 blackhole" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 2 "Ping - gateway replaced by blackhole" run_cmd "$IP ro replace 172.16.101.1/32 nhid 122" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" if [ $? -eq 0 ]; then run_cmd "$IP nexthop replace id 122 group 23" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 2 "Ping - group with blackhole" run_cmd "$IP nexthop replace id 122 group 21/22" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - group blackhole replaced with gateways" else log_test 2 0 "Ping - multipath failed" fi # # device only and gw + dev only mix # run_cmd "$IP nexthop add id 85 dev veth1" run_cmd "$IP ro replace 172.16.101.1/32 nhid 85" log_test $? 0 "IPv4 route with device only nexthop" check_route "172.16.101.1" "172.16.101.1 nhid 85 dev veth1" run_cmd "$IP nexthop add id 123 group 21/85" run_cmd "$IP ro replace 172.16.101.1/32 nhid 123" log_test $? 0 "IPv4 multipath route with nexthop mix - dev only + gw" check_route "172.16.101.1" "172.16.101.1 nhid 123 nexthop via 172.16.1.2 dev veth1 # # IPv4 with IPv6 # set -e lladdr=$(get_linklocal veth2 $peer) run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1" set +e run_cmd "$IP ro replace 172.16.101.1/32 nhid 24" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv6 nexthop with IPv4 route" $IP neigh sh | grep -q "${lladdr} dev veth1" if [ $? -eq 1 ]; then echo " WARNING: Neigh entry missing for ${lladdr}" $IP neigh sh | grep 'dev veth1' fi $IP neigh sh | grep -q "172.16.101.1 dev eth1" if [ $? -eq 0 ]; then echo " WARNING: Neigh entry exists for 172.16.101.1" $IP neigh sh | grep 'dev veth1' fi set -e run_cmd "$IP nexthop add id 25 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 101 group 24/25" set +e run_cmd "$IP ro replace 172.16.101.1/32 nhid 101" log_test $? 0 "IPv4 route with mixed v4-v6 multipath route" check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv6 nexthop with IPv4 route" run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv4 route with IPv6 gateway" $IP neigh sh | grep -q "${lladdr} dev veth1" if [ $? -eq 1 ]; then echo " WARNING: Neigh entry missing for ${lladdr}" $IP neigh sh | grep 'dev veth1' fi $IP neigh sh | grep -q "172.16.101.1 dev eth1" if [ $? -eq 0 ]; then echo " WARNING: Neigh entry exists for 172.16.101.1" $IP neigh sh | grep 'dev veth1' fi run_cmd "$IP ro del 172.16.101.1/32 via inet6 ${lladdr} dev veth1" run_cmd "$IP -4 ro add default via inet6 ${lladdr} dev veth1" run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv4 default route with IPv6 gateway" # # MPLS as an example of LWT encap # run_cmd "$IP nexthop add id 51 encap mpls 101 via 172.16.1.2 dev veth1" log_test $? 0 "IPv4 route with MPLS encap" check_nexthop "id 51" "id 51 encap mpls 101 via 172.16.1.2 dev veth1 scope link" log_test $? 0 "IPv4 route with MPLS encap - check" run_cmd "$IP nexthop add id 52 encap mpls 102 via inet6 2001:db8:91::2 dev veth1" log_test $? 0 "IPv4 route with MPLS encap and v6 gateway" check_nexthop "id 52" "id 52 encap mpls 102 via 2001:db8:91::2 dev veth1 scope lin log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check" } ipv4_large_grp() { local ecmp=32 echo echo "IPv4 large groups (x$ecmp)" echo "---------------------" check_large_grp 4 $ecmp $IP nexthop flush >/dev/null 2>&1 } ipv4_large_res_grp() { echo echo "IPv4 large resilient group (128k buckets)" echo "-----------------------------------------" check_nexthop_res_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi check_large_res_grp 4 $((128 * 1024)) $IP nexthop flush >/dev/null 2>&1 } sysctl_nexthop_compat_mode_check() { local sysctlname="net.ipv4.nexthop_compat_mode" local lprefix=$1 IPE="ip netns exec $me" $IPE sysctl -q $sysctlname 2>&1 >/dev/null if [ $? -ne 0 ]; then echo "SKIP: kernel lacks nexthop compat mode sysctl control" return $ksft_skip fi out=$($IPE sysctl $sysctlname 2>/dev/null) log_test $? 0 "$lprefix default nexthop compat mode check" check_output "${out}" "$sysctlname = 1" } sysctl_nexthop_compat_mode_set() { local sysctlname="net.ipv4.nexthop_compat_mode" local mode=$1 local lprefix=$2 IPE="ip netns exec $me" out=$($IPE sysctl -w $sysctlname=$mode) log_test $? 0 "$lprefix set compat mode - $mode" check_output "${out}" "net.ipv4.nexthop_compat_mode = $mode" } ipv6_compat_mode() { local rc echo echo "IPv6 nexthop api compat mode test" echo "--------------------------------" sysctl_nexthop_compat_mode_check "IPv6" if [ $? -eq $ksft_skip ]; then return $ksft_skip fi run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 122 group 62/63" ipmout=$(start_ip_monitor route) run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122" # route add notification should contain expanded nexthops stop_ip_monitor $ipmout 3 log_test $? 0 "IPv6 compat mode on - route add notification" # route dump should contain expanded nexthops check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024 nexthop via 2 log_test $? 0 "IPv6 compat mode on - route dump" # change in nexthop group should generate route notification run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1" ipmout=$(start_ip_monitor route) run_cmd "$IP nexthop replace id 122 group 62/64" stop_ip_monitor $ipmout 3 log_test $? 0 "IPv6 compat mode on - nexthop change" # set compat mode off sysctl_nexthop_compat_mode_set 0 "IPv6" run_cmd "$IP -6 ro del 2001:db8:101::1/128 nhid 122" run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1" run_cmd "$IP nexthop add id 122 group 62/63" ipmout=$(start_ip_monitor route) run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122" # route add notification should not contain expanded nexthops stop_ip_monitor $ipmout 1 log_test $? 0 "IPv6 compat mode off - route add notification" # route dump should not contain expanded nexthops check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024" log_test $? 0 "IPv6 compat mode off - route dump" # change in nexthop group should not generate route notification run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1" ipmout=$(start_ip_monitor route) run_cmd "$IP nexthop replace id 122 group 62/64" stop_ip_monitor $ipmout 0 log_test $? 0 "IPv6 compat mode off - nexthop change" # nexthop delete should not generate route notification ipmout=$(start_ip_monitor route) run_cmd "$IP nexthop del id 122" stop_ip_monitor $ipmout 0 log_test $? 0 "IPv6 compat mode off - nexthop delete" # set compat mode back on sysctl_nexthop_compat_mode_set 1 "IPv6" } ipv4_compat_mode() { local rc echo echo "IPv4 nexthop api compat mode" echo "----------------------------" sysctl_nexthop_compat_mode_check "IPv4" if [ $? -eq $ksft_skip ]; then return $ksft_skip fi run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 122 group 21/22" ipmout=$(start_ip_monitor route) run_cmd "$IP ro add 172.16.101.1/32 nhid 122" stop_ip_monitor $ipmout 3 # route add notification should contain expanded nexthops log_test $? 0 "IPv4 compat mode on - route add notification" # route dump should contain expanded nexthops check_route "172.16.101.1" "172.16.101.1 nhid 122 nexthop via 172.16.1.2 dev veth1 log_test $? 0 "IPv4 compat mode on - route dump" # change in nexthop group should generate route notification run_cmd "$IP nexthop add id 23 via 172.16.1.3 dev veth1" ipmout=$(start_ip_monitor route) run_cmd "$IP nexthop replace id 122 group 21/23" stop_ip_monitor $ipmout 3 log_test $? 0 "IPv4 compat mode on - nexthop change" sysctl_nexthop_compat_mode_set 0 "IPv4" # cleanup run_cmd "$IP ro del 172.16.101.1/32 nhid 122" ipmout=$(start_ip_monitor route) run_cmd "$IP ro add 172.16.101.1/32 nhid 122" stop_ip_monitor $ipmout 1 # route add notification should not contain expanded nexthops log_test $? 0 "IPv4 compat mode off - route add notification" # route dump should not contain expanded nexthops check_route "172.16.101.1" "172.16.101.1 nhid 122" log_test $? 0 "IPv4 compat mode off - route dump" # change in nexthop group should not generate route notification ipmout=$(start_ip_monitor route) run_cmd "$IP nexthop replace id 122 group 21/22" stop_ip_monitor $ipmout 0 log_test $? 0 "IPv4 compat mode off - nexthop change" # nexthop delete should not generate route notification ipmout=$(start_ip_monitor route) run_cmd "$IP nexthop del id 122" stop_ip_monitor $ipmout 0 log_test $? 0 "IPv4 compat mode off - nexthop delete" sysctl_nexthop_compat_mode_set 1 "IPv4" } ipv4_del_add_loop1() { while :; do $IP nexthop del id 100 $IP nexthop add id 100 via 172.16.1.2 dev veth1 done >/dev/null 2>&1 } ipv4_grp_replace_loop() { while :; do $IP nexthop replace id 102 group 100/101 done >/dev/null 2>&1 } ipv4_torture() { local pid1 local pid2 local pid3 local pid4 local pid5 echo echo "IPv4 runtime torture" echo "--------------------" if [ ! -x "$(command -v mausezahn)" ]; then echo "SKIP: Could not run test; need mausezahn tool" return fi run_cmd "$IP nexthop add id 100 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 101 via 172.16.2.2 dev veth3" run_cmd "$IP nexthop add id 102 group 100/101" run_cmd "$IP route add 172.16.101.1 nhid 102" run_cmd "$IP route add 172.16.101.2 nhid 102" ipv4_del_add_loop1 & pid1=$! ipv4_grp_replace_loop & pid2=$! ip netns exec $me ping -f 172.16.101.1 >/dev/null 2>&1 & pid3=$! ip netns exec $me ping -f 172.16.101.2 >/dev/null 2>&1 & pid4=$! ip netns exec $me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags= pid5=$! sleep 300 kill -9 $pid1 $pid2 $pid3 $pid4 $pid5 wait $pid1 $pid2 $pid3 $pid4 $pid5 2>/dev/null # if we did not crash, success log_test 0 0 "IPv4 torture test" } ipv4_res_grp_replace_loop() { while :; do $IP nexthop replace id 102 group 100/101 type resilient done >/dev/null 2>&1 } ipv4_res_torture() { local pid1 local pid2 local pid3 local pid4 local pid5 echo echo "IPv4 runtime resilient nexthop group torture" echo "--------------------------------------------" check_nexthop_res_support if [ $? -eq $ksft_skip ]; then return $ksft_skip fi if [ ! -x "$(command -v mausezahn)" ]; then echo "SKIP: Could not run test; need mausezahn tool" return fi run_cmd "$IP nexthop add id 100 via 172.16.1.2 dev veth1" run_cmd "$IP nexthop add id 101 via 172.16.2.2 dev veth3" run_cmd "$IP nexthop add id 102 group 100/101 type resilient buckets 512 idle_tim run_cmd "$IP route add 172.16.101.1 nhid 102" run_cmd "$IP route add 172.16.101.2 nhid 102" ipv4_del_add_loop1 & pid1=$! ipv4_res_grp_replace_loop & pid2=$! ip netns exec $me ping -f 172.16.101.1 >/dev/null 2>&1 & pid3=$! ip netns exec $me ping -f 172.16.101.2 >/dev/null 2>&1 & pid4=$! ip netns exec $me mausezahn veth1 \ -B 172.16.101.2 -A 172.16.1.1 -c 0 \ -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & pid5=$! sleep 300 kill -9 $pid1 $pid2 $pid3 $pid4 $pid5 wait $pid1 $pid2 $pid3 $pid4 $pid5 2>/dev/null # if we did not crash, success log_test 0 0 "IPv4 resilient nexthop group torture test" } basic() { echo echo "Basic functional tests" echo "----------------------" run_cmd "$IP nexthop ls" log_test $? 0 "List with nothing defined" run_cmd "$IP nexthop get id 1" log_test $? 2 "Nexthop get on non-existent id" run_cmd "$IP nexthop del id 1" log_test $? 2 "Nexthop del with non-existent id" run_cmd "$IP nexthop del id 1 group 1/2/3/4/5/6/7/8" log_test $? 2 "Nexthop del with non-existent id and extra attributes" # attempt to create nh without a device or gw - fails run_cmd "$IP nexthop add id 1" log_test $? 2 "Nexthop with no device or gateway" --> -------------------- --> maximum size reached --> --------------------
¤ Dauer der Verarbeitung: 0.37 Sekunden ¤*© Formatika GbR, Deutschland |
|
||||||||||||||
2026-04-04