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-rwxr-xr-xtools/testing/selftests/net/fib_nexthops.sh954
1 files changed, 884 insertions, 70 deletions
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index eb693a3b7b4a..ac0b2c6a5761 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -14,19 +14,52 @@
# 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_withv6_fcnal ipv4_fcnal_runtime ipv4_large_grp ipv4_compat_mode ipv4_fdb_grp_fcnal ipv4_torture"
-IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_large_grp ipv6_compat_mode ipv6_fdb_grp_fcnal ipv6_torture"
-
-ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
+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
@@ -116,13 +149,7 @@ create_ns()
{
local n=${1}
- ip netns del ${n} 2>/dev/null
-
set -e
- ip netns add ${n}
- ip netns set ${n} $((nsid++))
- ip -netns ${n} addr add 127.0.0.1/8 dev lo
- ip -netns ${n} link set lo up
ip netns exec ${n} sysctl -qw net.ipv4.ip_forward=1
ip netns exec ${n} sysctl -qw net.ipv4.fib_multipath_use_neigh=1
@@ -141,12 +168,13 @@ setup()
{
cleanup
- create_ns me
- create_ns peer
- create_ns remote
+ setup_ns me peer remote
+ create_ns $me
+ create_ns $peer
+ create_ns $remote
- IP="ip -netns me"
- BRIDGE="bridge -netns me"
+ IP="ip -netns $me"
+ BRIDGE="bridge -netns $me"
set -e
$IP li add veth1 type veth peer name veth2
$IP li set veth1 up
@@ -158,24 +186,24 @@ setup()
$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 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 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 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
+ 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
}
@@ -183,7 +211,7 @@ cleanup()
{
local ns
- for ns in me peer remote; do
+ for ns in $me $peer $remote; do
ip netns del ${ns} 2>/dev/null
done
}
@@ -232,6 +260,19 @@ check_nexthop()
check_output "${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"
@@ -308,6 +349,46 @@ check_large_grp()
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
@@ -344,6 +425,15 @@ check_nexthop_fdb_support()
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
@@ -504,6 +594,112 @@ ipv4_fdb_grp_fcnal()
$IP link del dev vx10
}
+ipv4_mpath_select()
+{
+ local rc dev match h addr
+
+ echo
+ echo "IPv4 multipath selection"
+ echo "------------------------"
+ if [ ! -x "$(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
#
@@ -559,6 +755,66 @@ ipv6_fcnal()
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 $me mausezahn -6 veth1.10 -B 2001:db8:101::1 -A 2001:db8:91::1 -c 5 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1"
+
+ # remove nh 100 from the group to delete the route potentially leaving
+ # a stale per-cpu dst which holds a reference to the nexthop's net
+ # device and to the IPv6 route
+ run_cmd "$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 "$IP nexthop flush"
+
+ return 0
+}
+
ipv6_grp_fcnal()
{
local rc
@@ -664,6 +920,73 @@ ipv6_grp_fcnal()
run_cmd "$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"
+}
+
+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 unbalanced_time 0"
+ 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_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 62/63 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ 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_timer 0"
+
+ 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 unbalanced_time 0"
+ 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 index 3 nhid 62"
+ 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_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 62,3/63 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ 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 index 3 nhid 62"
+ log_test $? 0 "Nexthop buckets updated after replace - nECMP"
}
ipv6_fcnal_runtime()
@@ -685,13 +1008,13 @@ ipv6_fcnal_runtime()
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 -w1 2001:db8:101::1"
+ 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 -w1 2001:db8:101::1"
+ run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
log_test $? 0 "Ping - multipath"
#
@@ -699,26 +1022,26 @@ ipv6_fcnal_runtime()
#
run_cmd "$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 -w1 2001:db8:101::1"
+ 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 -w1 2001:db8:101::1"
+ 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 -w1 2001:db8:101::1"
+ 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 -w1 2001:db8:101::1"
+ 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 -w1 2001:db8:101::1"
+ 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 -w1 2001:db8:101::1"
+ run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
log_test $? 0 "Ping - group blackhole replaced with gateways"
else
log_test 2 0 "Ping - multipath failed"
@@ -791,17 +1114,25 @@ ipv6_fcnal_runtime()
run_cmd "$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 --invert -j DROP"
+ run_cmd "ip netns exec $me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP"
run_cmd "$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 -w1 2001:db8:101::1"
+ 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 -w1 2001:db8:101::1"
+ 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:
@@ -824,6 +1155,22 @@ ipv6_large_grp()
$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))
+
+ $IP nexthop flush >/dev/null 2>&1
+}
+
ipv6_del_add_loop1()
{
while :; do
@@ -865,20 +1212,76 @@ ipv6_torture()
pid1=$!
ipv6_grp_replace_loop &
pid2=$!
- ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
+ 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 &
+ ip netns exec $me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
pid4=$!
- ip netns exec me mausezahn veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
+ 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 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 "$IP nexthop add id 102 group 100/101 type resilient buckets 512 idle_timer 0"
+ run_cmd "$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()
{
@@ -931,6 +1334,36 @@ ipv4_fcnal()
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 172.16.1.8 dev veth1"
+ 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()
@@ -1038,12 +1471,76 @@ ipv4_grp_fcnal()
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 unbalanced_time 0"
+ 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_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 12/13 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ 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_timer 0"
+
+ 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 unbalanced_time 0"
+ 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 index 3 nhid 12"
+ 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_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 12,3/13 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ 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 index 3 nhid 12"
+ log_test $? 0 "Nexthop buckets updated after replace - nECMP"
+}
+
ipv4_withv6_fcnal()
{
local lladdr
set -e
- lladdr=$(get_linklocal veth2 peer)
+ 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"
@@ -1096,18 +1593,22 @@ ipv4_fcnal_runtime()
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 -w1 172.16.101.1"
+ 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 -w1 172.16.101.1"
+ 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"
@@ -1118,7 +1619,7 @@ ipv4_fcnal_runtime()
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 -w1 172.16.101.1"
+ run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
log_test $? 0 "Ping - multiple default routes, nh first"
# flip the order
@@ -1127,7 +1628,7 @@ ipv4_fcnal_runtime()
run_cmd "$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 -w1 172.16.101.1"
+ 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"
@@ -1138,26 +1639,26 @@ ipv4_fcnal_runtime()
#
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 -w1 172.16.101.1"
+ 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 -w1 172.16.101.1"
+ 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 -w1 172.16.101.1"
+ 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 -w1 172.16.101.1"
+ 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 -w1 172.16.101.1"
+ 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 -w1 172.16.101.1"
+ run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
log_test $? 0 "Ping - group blackhole replaced with gateways"
else
log_test 2 0 "Ping - multipath failed"
@@ -1180,11 +1681,11 @@ ipv4_fcnal_runtime()
# IPv4 with IPv6
#
set -e
- lladdr=$(get_linklocal veth2 peer)
+ 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 -w1 172.16.101.1"
+ 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"
@@ -1208,11 +1709,11 @@ ipv4_fcnal_runtime()
check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
- run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ 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 -w1 172.16.101.1"
+ 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"
@@ -1229,7 +1730,7 @@ ipv4_fcnal_runtime()
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 -w1 172.16.101.1"
+ run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
log_test $? 0 "IPv4 default route with IPv6 gateway"
#
@@ -1259,12 +1760,28 @@ ipv4_large_grp()
$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="ip netns exec $me"
$IPE sysctl -q $sysctlname 2>&1 >/dev/null
if [ $? -ne 0 ]; then
@@ -1283,7 +1800,7 @@ sysctl_nexthop_compat_mode_set()
local mode=$1
local lprefix=$2
- IPE="ip netns exec me"
+ IPE="ip netns exec $me"
out=$($IPE sysctl -w $sysctlname=$mode)
log_test $? 0 "$lprefix set compat mode - $mode"
@@ -1467,20 +1984,77 @@ ipv4_torture()
pid1=$!
ipv4_grp_replace_loop &
pid2=$!
- ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 &
+ 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 &
+ 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 &
+ 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 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 "$IP nexthop add id 102 group 100/101 type resilient buckets 512 idle_timer 0"
+ run_cmd "$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 $pid5 2>/dev/null
+
+ # if we did not crash, success
+ log_test 0 0 "IPv4 resilient nexthop group torture test"
+}
+
basic()
{
echo
@@ -1492,6 +2066,12 @@ basic()
run_cmd "$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"
@@ -1503,10 +2083,10 @@ basic()
# create nh with linkdown device - fails
$IP li set veth1 up
- ip -netns peer li set veth2 down
+ ip -netns $peer li set veth2 down
run_cmd "$IP nexthop add id 1 dev veth1"
log_test $? 2 "Nexthop with device that is linkdown"
- ip -netns peer li set veth2 up
+ ip -netns $peer li set veth2 up
# device only
run_cmd "$IP nexthop add id 1 dev veth1"
@@ -1524,6 +2104,19 @@ basic()
run_cmd "$IP nexthop replace id 2 blackhole dev veth1"
log_test $? 2 "Blackhole nexthop with other attributes"
+ # blackhole nexthop should not be affected by the state of the loopback
+ # device
+ run_cmd "$IP link set dev lo down"
+ check_nexthop "id 2" "id 2 blackhole"
+ log_test $? 0 "Blackhole nexthop with loopback device down"
+
+ run_cmd "$IP link set dev lo up"
+
+ # Dump should not loop endlessly when maximum nexthop ID is configured.
+ run_cmd "$IP nexthop add id $((2**32-1)) blackhole"
+ run_cmd "timeout 5 $IP nexthop"
+ log_test $? 0 "Maximum nexthop ID dump"
+
#
# groups
#
@@ -1582,6 +2175,225 @@ basic()
log_test $? 2 "Nexthop group and blackhole"
$IP nexthop flush >/dev/null 2>&1
+
+ # Test to ensure that flushing with a multi-part nexthop dump works as
+ # expected.
+ local batch_file=$(mktemp)
+
+ for i in $(seq 1 $((64 * 1024))); do
+ echo "nexthop add id $i blackhole" >> $batch_file
+ done
+
+ $IP -b $batch_file
+ $IP nexthop flush >/dev/null 2>&1
+ [[ $($IP nexthop | wc -l) -eq 0 ]]
+ log_test $? 0 "Large scale nexthop flushing"
+
+ rm $batch_file
+}
+
+check_nexthop_buckets_balance()
+{
+ local nharg=$1; shift
+ local ret
+
+ while (($# > 0)); do
+ local selector=$1; shift
+ local condition=$1; shift
+ local count
+
+ count=$($IP -j nexthop bucket ${nharg} ${selector} | jq length)
+ (( $count $condition ))
+ ret=$?
+ if ((ret != 0)); then
+ return $ret
+ fi
+ done
+
+ return 0
+}
+
+basic_res()
+{
+ echo
+ echo "Basic resilient nexthop group functional tests"
+ echo "----------------------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ run_cmd "$IP nexthop add id 1 dev veth1"
+
+ #
+ # resilient nexthop group addition
+ #
+
+ run_cmd "$IP nexthop add id 101 group 1 type resilient buckets 8"
+ log_test $? 0 "Add a nexthop group with default parameters"
+
+ run_cmd "$IP nexthop get id 101"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 120 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group with default parameters"
+
+ run_cmd "$IP nexthop add id 102 group 1 type resilient
+ buckets 4 idle_timer 100 unbalanced_timer 5"
+ run_cmd "$IP nexthop get id 102"
+ check_nexthop "id 102" \
+ "id 102 group 1 type resilient buckets 4 idle_timer 100 unbalanced_timer 5 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group with non-default parameters"
+
+ run_cmd "$IP nexthop add id 103 group 1 type resilient buckets 0"
+ log_test $? 2 "Add a nexthop group with 0 buckets"
+
+ #
+ # resilient nexthop group replacement
+ #
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient
+ buckets 8 idle_timer 240 unbalanced_timer 80"
+ log_test $? 0 "Replace nexthop group parameters"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 240 unbalanced_timer 80 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing parameters"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient idle_timer 512"
+ log_test $? 0 "Replace idle timer"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 80 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing idle timer"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient unbalanced_timer 256"
+ log_test $? 0 "Replace unbalanced timer"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 256 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing unbalanced timer"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient"
+ log_test $? 0 "Replace with no parameters"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 256 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing no parameters"
+
+ run_cmd "$IP nexthop replace id 101 group 1"
+ log_test $? 2 "Replace nexthop group type - implicit"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type mpath"
+ log_test $? 2 "Replace nexthop group type - explicit"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient buckets 1024"
+ log_test $? 2 "Replace number of nexthop buckets"
+
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 256 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing with invalid parameters"
+
+ #
+ # resilient nexthop buckets dump
+ #
+
+ $IP nexthop flush >/dev/null 2>&1
+ run_cmd "$IP nexthop add id 1 dev veth1"
+ run_cmd "$IP nexthop add id 2 dev veth3"
+ run_cmd "$IP nexthop add id 101 group 1/2 type resilient buckets 4"
+ run_cmd "$IP nexthop add id 201 group 1/2"
+
+ check_nexthop_bucket "" \
+ "id 101 index 0 nhid 2 id 101 index 1 nhid 2 id 101 index 2 nhid 1 id 101 index 3 nhid 1"
+ log_test $? 0 "Dump all nexthop buckets"
+
+ check_nexthop_bucket "list id 101" \
+ "id 101 index 0 nhid 2 id 101 index 1 nhid 2 id 101 index 2 nhid 1 id 101 index 3 nhid 1"
+ log_test $? 0 "Dump all nexthop buckets in a group"
+
+ sleep 0.1
+ (( $($IP -j nexthop bucket list id 101 |
+ jq '[.[] | select(.bucket.idle_time > 0 and
+ .bucket.idle_time < 2)] | length') == 4 ))
+ log_test $? 0 "All nexthop buckets report a positive near-zero idle time"
+
+ check_nexthop_bucket "list dev veth1" \
+ "id 101 index 2 nhid 1 id 101 index 3 nhid 1"
+ log_test $? 0 "Dump all nexthop buckets with a specific nexthop device"
+
+ check_nexthop_bucket "list nhid 2" \
+ "id 101 index 0 nhid 2 id 101 index 1 nhid 2"
+ log_test $? 0 "Dump all nexthop buckets with a specific nexthop identifier"
+
+ run_cmd "$IP nexthop bucket list id 111"
+ log_test $? 2 "Dump all nexthop buckets in a non-existent group"
+
+ run_cmd "$IP nexthop bucket list id 201"
+ log_test $? 2 "Dump all nexthop buckets in a non-resilient group"
+
+ run_cmd "$IP nexthop bucket list dev bla"
+ log_test $? 255 "Dump all nexthop buckets using a non-existent device"
+
+ run_cmd "$IP nexthop bucket list groups"
+ log_test $? 255 "Dump all nexthop buckets with invalid 'groups' keyword"
+
+ run_cmd "$IP nexthop bucket list fdb"
+ log_test $? 255 "Dump all nexthop buckets with invalid 'fdb' keyword"
+
+ # Dump should not loop endlessly when maximum nexthop ID is configured.
+ run_cmd "$IP nexthop add id $((2**32-1)) group 1/2 type resilient buckets 4"
+ run_cmd "timeout 5 $IP nexthop bucket"
+ log_test $? 0 "Maximum nexthop ID dump"
+
+ #
+ # resilient nexthop buckets get requests
+ #
+
+ check_nexthop_bucket "get id 101 index 0" "id 101 index 0 nhid 2"
+ log_test $? 0 "Get a valid nexthop bucket"
+
+ run_cmd "$IP nexthop bucket get id 101 index 999"
+ log_test $? 2 "Get a nexthop bucket with valid group, but invalid index"
+
+ run_cmd "$IP nexthop bucket get id 201 index 0"
+ log_test $? 2 "Get a nexthop bucket from a non-resilient group"
+
+ run_cmd "$IP nexthop bucket get id 999 index 0"
+ log_test $? 2 "Get a nexthop bucket from a non-existent group"
+
+ #
+ # tests for bucket migration
+ #
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ run_cmd "$IP nexthop add id 1 dev veth1"
+ run_cmd "$IP nexthop add id 2 dev veth3"
+ run_cmd "$IP nexthop add id 101
+ group 1/2 type resilient buckets 10
+ idle_timer 1 unbalanced_timer 20"
+
+ check_nexthop_buckets_balance "list id 101" \
+ "nhid 1" "== 5" \
+ "nhid 2" "== 5"
+ log_test $? 0 "Initial bucket allocation"
+
+ run_cmd "$IP nexthop replace id 101
+ group 1,2/2,3 type resilient"
+ check_nexthop_buckets_balance "list id 101" \
+ "nhid 1" "== 4" \
+ "nhid 2" "== 6"
+ log_test $? 0 "Bucket allocation after replace"
+
+ # Check that increase in idle timer does not make buckets appear busy.
+ run_cmd "$IP nexthop replace id 101
+ group 1,2/2,3 type resilient
+ idle_timer 10"
+ run_cmd "$IP nexthop replace id 101
+ group 1/2 type resilient"
+ check_nexthop_buckets_balance "list id 101" \
+ "nhid 1" "== 5" \
+ "nhid 2" "== 5"
+ log_test $? 0 "Buckets migrated after idle timer change"
+
+ $IP nexthop flush >/dev/null 2>&1
}
################################################################################
@@ -1599,6 +2411,7 @@ usage: ${0##*/} OPTS
-p Pause on fail
-P Pause after each test before cleanup
-v verbose mode (show commands and output)
+ -w Timeout for ping
Runtime test
-n num Number of nexthops to target
@@ -1611,7 +2424,7 @@ EOF
################################################################################
# main
-while getopts :t:pP46hv o
+while getopts :t:pP46hvw: o
do
case $o in
t) TESTS=$OPTARG;;
@@ -1620,6 +2433,7 @@ do
p) PAUSE_ON_FAIL=yes;;
P) PAUSE=yes;;
v) VERBOSE=$(($VERBOSE + 1));;
+ w) PING_TIMEOUT=$OPTARG;;
h) usage; exit 0;;
*) usage; exit 1;;
esac
@@ -1653,7 +2467,7 @@ fi
for t in $TESTS
do
case $t in
- none) IP="ip -netns peer"; setup; exit 0;;
+ none) IP="ip -netns $peer"; setup; exit 0;;
*) setup; $t; cleanup;;
esac
done
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.