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-rw-r--r--tools/testing/selftests/net/Makefile1
-rw-r--r--tools/testing/selftests/net/bind_bhash.c4
-rwxr-xr-xtools/testing/selftests/net/netfilter/conntrack_clash.sh2
-rwxr-xr-xtools/testing/selftests/net/netfilter/conntrack_resize.sh5
-rwxr-xr-xtools/testing/selftests/net/netfilter/nft_flowtable.sh113
-rw-r--r--tools/testing/selftests/net/netfilter/udpclash.c2
-rwxr-xr-xtools/testing/selftests/net/test_vxlan_nh.sh223
7 files changed, 307 insertions, 43 deletions
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index b31a71f2b372..c7e03e1d6f63 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -99,6 +99,7 @@ TEST_GEN_PROGS += bind_wildcard
TEST_GEN_PROGS += bind_timewait
TEST_PROGS += test_vxlan_mdb.sh
TEST_PROGS += test_bridge_neigh_suppress.sh
+TEST_PROGS += test_vxlan_nh.sh
TEST_PROGS += test_vxlan_nolocalbypass.sh
TEST_PROGS += test_bridge_backup_port.sh
TEST_PROGS += test_neigh.sh
diff --git a/tools/testing/selftests/net/bind_bhash.c b/tools/testing/selftests/net/bind_bhash.c
index 57ff67a3751e..da04b0b19b73 100644
--- a/tools/testing/selftests/net/bind_bhash.c
+++ b/tools/testing/selftests/net/bind_bhash.c
@@ -75,7 +75,7 @@ static void *setup(void *arg)
int *array = (int *)arg;
for (i = 0; i < MAX_CONNECTIONS; i++) {
- sock_fd = bind_socket(SO_REUSEADDR | SO_REUSEPORT, setup_addr);
+ sock_fd = bind_socket(SO_REUSEPORT, setup_addr);
if (sock_fd < 0) {
ret = sock_fd;
pthread_exit(&ret);
@@ -103,7 +103,7 @@ int main(int argc, const char *argv[])
setup_addr = use_v6 ? setup_addr_v6 : setup_addr_v4;
- listener_fd = bind_socket(SO_REUSEADDR | SO_REUSEPORT, setup_addr);
+ listener_fd = bind_socket(SO_REUSEPORT, setup_addr);
if (listen(listener_fd, 100) < 0) {
perror("listen failed");
return -1;
diff --git a/tools/testing/selftests/net/netfilter/conntrack_clash.sh b/tools/testing/selftests/net/netfilter/conntrack_clash.sh
index 606a43a60f73..7fc6c5dbd551 100755
--- a/tools/testing/selftests/net/netfilter/conntrack_clash.sh
+++ b/tools/testing/selftests/net/netfilter/conntrack_clash.sh
@@ -99,7 +99,7 @@ run_one_clash_test()
local entries
local cre
- if ! ip netns exec "$ns" ./udpclash $daddr $dport;then
+ if ! ip netns exec "$ns" timeout 30 ./udpclash $daddr $dport;then
echo "INFO: did not receive expected number of replies for $daddr:$dport"
ip netns exec "$ctns" conntrack -S
# don't fail: check if clash resolution triggered after all.
diff --git a/tools/testing/selftests/net/netfilter/conntrack_resize.sh b/tools/testing/selftests/net/netfilter/conntrack_resize.sh
index 788cd56ea4a0..615fe3c6f405 100755
--- a/tools/testing/selftests/net/netfilter/conntrack_resize.sh
+++ b/tools/testing/selftests/net/netfilter/conntrack_resize.sh
@@ -187,7 +187,7 @@ ct_udpclash()
[ -x udpclash ] || return
while [ $now -lt $end ]; do
- ip netns exec "$ns" ./udpclash 127.0.0.1 $((RANDOM%65536)) > /dev/null 2>&1
+ ip netns exec "$ns" timeout 30 ./udpclash 127.0.0.1 $((RANDOM%65536)) > /dev/null 2>&1
now=$(date +%s)
done
@@ -277,6 +277,7 @@ check_taint()
insert_flood()
{
local n="$1"
+ local timeout="$2"
local r=0
r=$((RANDOM%$insert_count))
@@ -302,7 +303,7 @@ test_floodresize_all()
read tainted_then < /proc/sys/kernel/tainted
for n in "$nsclient1" "$nsclient2";do
- insert_flood "$n" &
+ insert_flood "$n" "$timeout" &
done
# resize table constantly while flood/insert/dump/flushs
diff --git a/tools/testing/selftests/net/netfilter/nft_flowtable.sh b/tools/testing/selftests/net/netfilter/nft_flowtable.sh
index a4ee5496f2a1..45832df98295 100755
--- a/tools/testing/selftests/net/netfilter/nft_flowtable.sh
+++ b/tools/testing/selftests/net/netfilter/nft_flowtable.sh
@@ -20,6 +20,7 @@ ret=0
SOCAT_TIMEOUT=60
nsin=""
+nsin_small=""
ns1out=""
ns2out=""
@@ -36,7 +37,7 @@ cleanup() {
cleanup_all_ns
- rm -f "$nsin" "$ns1out" "$ns2out"
+ rm -f "$nsin" "$nsin_small" "$ns1out" "$ns2out"
[ "$log_netns" -eq 0 ] && sysctl -q net.netfilter.nf_log_all_netns="$log_netns"
}
@@ -72,6 +73,7 @@ lmtu=1500
rmtu=2000
filesize=$((2 * 1024 * 1024))
+filesize_small=$((filesize / 16))
usage(){
echo "nft_flowtable.sh [OPTIONS]"
@@ -89,7 +91,10 @@ do
o) omtu=$OPTARG;;
l) lmtu=$OPTARG;;
r) rmtu=$OPTARG;;
- s) filesize=$OPTARG;;
+ s)
+ filesize=$OPTARG
+ filesize_small=$((OPTARG / 16))
+ ;;
*) usage;;
esac
done
@@ -215,6 +220,7 @@ if ! ip netns exec "$ns2" ping -c 1 -q 10.0.1.99 > /dev/null; then
fi
nsin=$(mktemp)
+nsin_small=$(mktemp)
ns1out=$(mktemp)
ns2out=$(mktemp)
@@ -265,6 +271,7 @@ check_counters()
check_dscp()
{
local what=$1
+ local pmtud="$2"
local ok=1
local counter
@@ -277,37 +284,39 @@ check_dscp()
local pc4z=${counter%*bytes*}
local pc4z=${pc4z#*packets}
+ local failmsg="FAIL: pmtu $pmtu: $what counters do not match, expected"
+
case "$what" in
"dscp_none")
if [ "$pc4" -gt 0 ] || [ "$pc4z" -eq 0 ]; then
- echo "FAIL: dscp counters do not match, expected dscp3 == 0, dscp0 > 0, but got $pc4,$pc4z" 1>&2
+ echo "$failmsg dscp3 == 0, dscp0 > 0, but got $pc4,$pc4z" 1>&2
ret=1
ok=0
fi
;;
"dscp_fwd")
if [ "$pc4" -eq 0 ] || [ "$pc4z" -eq 0 ]; then
- echo "FAIL: dscp counters do not match, expected dscp3 and dscp0 > 0 but got $pc4,$pc4z" 1>&2
+ echo "$failmsg dscp3 and dscp0 > 0 but got $pc4,$pc4z" 1>&2
ret=1
ok=0
fi
;;
"dscp_ingress")
if [ "$pc4" -eq 0 ] || [ "$pc4z" -gt 0 ]; then
- echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2
+ echo "$failmsg dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2
ret=1
ok=0
fi
;;
"dscp_egress")
if [ "$pc4" -eq 0 ] || [ "$pc4z" -gt 0 ]; then
- echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2
+ echo "$failmsg dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2
ret=1
ok=0
fi
;;
*)
- echo "FAIL: Unknown DSCP check" 1>&2
+ echo "$failmsg: Unknown DSCP check" 1>&2
ret=1
ok=0
esac
@@ -319,9 +328,9 @@ check_dscp()
check_transfer()
{
- in=$1
- out=$2
- what=$3
+ local in=$1
+ local out=$2
+ local what=$3
if ! cmp "$in" "$out" > /dev/null 2>&1; then
echo "FAIL: file mismatch for $what" 1>&2
@@ -342,25 +351,39 @@ test_tcp_forwarding_ip()
{
local nsa=$1
local nsb=$2
- local dstip=$3
- local dstport=$4
+ local pmtu=$3
+ local dstip=$4
+ local dstport=$5
local lret=0
+ local socatc
+ local socatl
+ local infile="$nsin"
+
+ if [ $pmtu -eq 0 ]; then
+ infile="$nsin_small"
+ fi
- timeout "$SOCAT_TIMEOUT" ip netns exec "$nsb" socat -4 TCP-LISTEN:12345,reuseaddr STDIO < "$nsin" > "$ns2out" &
+ timeout "$SOCAT_TIMEOUT" ip netns exec "$nsb" socat -4 TCP-LISTEN:12345,reuseaddr STDIO < "$infile" > "$ns2out" &
lpid=$!
busywait 1000 listener_ready
- timeout "$SOCAT_TIMEOUT" ip netns exec "$nsa" socat -4 TCP:"$dstip":"$dstport" STDIO < "$nsin" > "$ns1out"
+ timeout "$SOCAT_TIMEOUT" ip netns exec "$nsa" socat -4 TCP:"$dstip":"$dstport" STDIO < "$infile" > "$ns1out"
+ socatc=$?
wait $lpid
+ socatl=$?
- if ! check_transfer "$nsin" "$ns2out" "ns1 -> ns2"; then
+ if [ $socatl -ne 0 ] || [ $socatc -ne 0 ];then
+ rc=1
+ fi
+
+ if ! check_transfer "$infile" "$ns2out" "ns1 -> ns2"; then
lret=1
ret=1
fi
- if ! check_transfer "$nsin" "$ns1out" "ns1 <- ns2"; then
+ if ! check_transfer "$infile" "$ns1out" "ns1 <- ns2"; then
lret=1
ret=1
fi
@@ -370,14 +393,16 @@ test_tcp_forwarding_ip()
test_tcp_forwarding()
{
- test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
+ local pmtu="$3"
+
+ test_tcp_forwarding_ip "$1" "$2" "$pmtu" 10.0.2.99 12345
return $?
}
test_tcp_forwarding_set_dscp()
{
- check_dscp "dscp_none"
+ local pmtu="$3"
ip netns exec "$nsr1" nft -f - <<EOF
table netdev dscpmangle {
@@ -388,8 +413,8 @@ table netdev dscpmangle {
}
EOF
if [ $? -eq 0 ]; then
- test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
- check_dscp "dscp_ingress"
+ test_tcp_forwarding_ip "$1" "$2" "$3" 10.0.2.99 12345
+ check_dscp "dscp_ingress" "$pmtu"
ip netns exec "$nsr1" nft delete table netdev dscpmangle
else
@@ -405,10 +430,10 @@ table netdev dscpmangle {
}
EOF
if [ $? -eq 0 ]; then
- test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
- check_dscp "dscp_egress"
+ test_tcp_forwarding_ip "$1" "$2" "$pmtu" 10.0.2.99 12345
+ check_dscp "dscp_egress" "$pmtu"
- ip netns exec "$nsr1" nft flush table netdev dscpmangle
+ ip netns exec "$nsr1" nft delete table netdev dscpmangle
else
echo "SKIP: Could not load netdev:egress for veth1"
fi
@@ -416,48 +441,53 @@ fi
# partial. If flowtable really works, then both dscp-is-0 and dscp-is-cs3
# counters should have seen packets (before and after ft offload kicks in).
ip netns exec "$nsr1" nft -a insert rule inet filter forward ip dscp set cs3
- test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
- check_dscp "dscp_fwd"
+ test_tcp_forwarding_ip "$1" "$2" "$pmtu" 10.0.2.99 12345
+ check_dscp "dscp_fwd" "$pmtu"
}
test_tcp_forwarding_nat()
{
+ local nsa="$1"
+ local nsb="$2"
+ local pmtu="$3"
+ local what="$4"
local lret
- local pmtu
- test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
- lret=$?
+ [ "$pmtu" -eq 0 ] && what="$what (pmtu disabled)"
- pmtu=$3
- what=$4
+ test_tcp_forwarding_ip "$nsa" "$nsb" "$pmtu" 10.0.2.99 12345
+ lret=$?
if [ "$lret" -eq 0 ] ; then
if [ "$pmtu" -eq 1 ] ;then
- check_counters "flow offload for ns1/ns2 with masquerade and pmtu discovery $what"
+ check_counters "flow offload for ns1/ns2 with masquerade $what"
else
echo "PASS: flow offload for ns1/ns2 with masquerade $what"
fi
- test_tcp_forwarding_ip "$1" "$2" 10.6.6.6 1666
+ test_tcp_forwarding_ip "$1" "$2" "$pmtu" 10.6.6.6 1666
lret=$?
if [ "$pmtu" -eq 1 ] ;then
- check_counters "flow offload for ns1/ns2 with dnat and pmtu discovery $what"
+ check_counters "flow offload for ns1/ns2 with dnat $what"
elif [ "$lret" -eq 0 ] ; then
echo "PASS: flow offload for ns1/ns2 with dnat $what"
fi
+ else
+ echo "FAIL: flow offload for ns1/ns2 with dnat $what"
fi
return $lret
}
make_file "$nsin" "$filesize"
+make_file "$nsin_small" "$filesize_small"
# First test:
# No PMTU discovery, nsr1 is expected to fragment packets from ns1 to ns2 as needed.
# Due to MTU mismatch in both directions, all packets (except small packets like pure
# acks) have to be handled by normal forwarding path. Therefore, packet counters
# are not checked.
-if test_tcp_forwarding "$ns1" "$ns2"; then
+if test_tcp_forwarding "$ns1" "$ns2" 0; then
echo "PASS: flow offloaded for ns1/ns2"
else
echo "FAIL: flow offload for ns1/ns2:" 1>&2
@@ -489,8 +519,9 @@ table ip nat {
}
EOF
+check_dscp "dscp_none" "0"
if ! test_tcp_forwarding_set_dscp "$ns1" "$ns2" 0 ""; then
- echo "FAIL: flow offload for ns1/ns2 with dscp update" 1>&2
+ echo "FAIL: flow offload for ns1/ns2 with dscp update and no pmtu discovery" 1>&2
exit 0
fi
@@ -513,6 +544,14 @@ ip netns exec "$ns2" sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
# For earlier tests (large mtus), packets cannot be handled via flowtable
# (except pure acks and other small packets).
ip netns exec "$nsr1" nft reset counters table inet filter >/dev/null
+ip netns exec "$ns2" nft reset counters table inet filter >/dev/null
+
+if ! test_tcp_forwarding_set_dscp "$ns1" "$ns2" 1 ""; then
+ echo "FAIL: flow offload for ns1/ns2 with dscp update and pmtu discovery" 1>&2
+ exit 0
+fi
+
+ip netns exec "$nsr1" nft reset counters table inet filter >/dev/null
if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 ""; then
echo "FAIL: flow offload for ns1/ns2 with NAT and pmtu discovery" 1>&2
@@ -644,7 +683,7 @@ ip -net "$ns2" route del 192.168.10.1 via 10.0.2.1
ip -net "$ns2" route add default via 10.0.2.1
ip -net "$ns2" route add default via dead:2::1
-if test_tcp_forwarding "$ns1" "$ns2"; then
+if test_tcp_forwarding "$ns1" "$ns2" 1; then
check_counters "ipsec tunnel mode for ns1/ns2"
else
echo "FAIL: ipsec tunnel mode for ns1/ns2"
@@ -668,7 +707,7 @@ if [ "$1" = "" ]; then
fi
echo "re-run with random mtus and file size: -o $o -l $l -r $r -s $filesize"
- $0 -o "$o" -l "$l" -r "$r" -s "$filesize"
+ $0 -o "$o" -l "$l" -r "$r" -s "$filesize" || ret=1
fi
exit $ret
diff --git a/tools/testing/selftests/net/netfilter/udpclash.c b/tools/testing/selftests/net/netfilter/udpclash.c
index 85c7b906ad08..79de163d61ab 100644
--- a/tools/testing/selftests/net/netfilter/udpclash.c
+++ b/tools/testing/selftests/net/netfilter/udpclash.c
@@ -29,7 +29,7 @@ struct thread_args {
int sockfd;
};
-static int wait = 1;
+static volatile int wait = 1;
static void *thread_main(void *varg)
{
diff --git a/tools/testing/selftests/net/test_vxlan_nh.sh b/tools/testing/selftests/net/test_vxlan_nh.sh
new file mode 100755
index 000000000000..20f3369f776b
--- /dev/null
+++ b/tools/testing/selftests/net/test_vxlan_nh.sh
@@ -0,0 +1,223 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source lib.sh
+TESTS="
+ basic_tx_ipv4
+ basic_tx_ipv6
+ learning
+ proxy_ipv4
+ proxy_ipv6
+"
+VERBOSE=0
+
+################################################################################
+# Utilities
+
+run_cmd()
+{
+ local cmd="$1"
+ local out
+ local stderr="2>/dev/null"
+
+ if [ "$VERBOSE" = "1" ]; then
+ echo "COMMAND: $cmd"
+ stderr=
+ fi
+
+ out=$(eval "$cmd" "$stderr")
+ rc=$?
+ if [ "$VERBOSE" -eq 1 ] && [ -n "$out" ]; then
+ echo " $out"
+ fi
+
+ return $rc
+}
+
+################################################################################
+# Cleanup
+
+exit_cleanup_all()
+{
+ cleanup_all_ns
+ exit "${EXIT_STATUS}"
+}
+
+################################################################################
+# Tests
+
+nh_stats_get()
+{
+ ip -n "$ns1" -s -j nexthop show id 10 | jq ".[][\"group_stats\"][][\"packets\"]"
+}
+
+tc_stats_get()
+{
+ tc_rule_handle_stats_get "dev dummy1 egress" 101 ".packets" "-n $ns1"
+}
+
+basic_tx_common()
+{
+ local af_str=$1; shift
+ local proto=$1; shift
+ local local_addr=$1; shift
+ local plen=$1; shift
+ local remote_addr=$1; shift
+
+ RET=0
+
+ # Test basic Tx functionality. Check that stats are incremented on
+ # both the FDB nexthop group and the egress device.
+
+ run_cmd "ip -n $ns1 link add name dummy1 up type dummy"
+ run_cmd "ip -n $ns1 route add $remote_addr/$plen dev dummy1"
+ run_cmd "tc -n $ns1 qdisc add dev dummy1 clsact"
+ run_cmd "tc -n $ns1 filter add dev dummy1 egress proto $proto pref 1 handle 101 flower ip_proto udp dst_ip $remote_addr dst_port 4789 action pass"
+
+ run_cmd "ip -n $ns1 address add $local_addr/$plen dev lo"
+
+ run_cmd "ip -n $ns1 nexthop add id 1 via $remote_addr fdb"
+ run_cmd "ip -n $ns1 nexthop add id 10 group 1 fdb"
+
+ run_cmd "ip -n $ns1 link add name vx0 up type vxlan id 10010 local $local_addr dstport 4789"
+ run_cmd "bridge -n $ns1 fdb add 00:11:22:33:44:55 dev vx0 self static nhid 10"
+
+ run_cmd "ip netns exec $ns1 mausezahn vx0 -a own -b 00:11:22:33:44:55 -c 1 -q"
+
+ busywait "$BUSYWAIT_TIMEOUT" until_counter_is "== 1" nh_stats_get > /dev/null
+ check_err $? "FDB nexthop group stats did not increase"
+
+ busywait "$BUSYWAIT_TIMEOUT" until_counter_is "== 1" tc_stats_get > /dev/null
+ check_err $? "tc filter stats did not increase"
+
+ log_test "VXLAN FDB nexthop: $af_str basic Tx"
+}
+
+basic_tx_ipv4()
+{
+ basic_tx_common "IPv4" ipv4 192.0.2.1 32 192.0.2.2
+}
+
+basic_tx_ipv6()
+{
+ basic_tx_common "IPv6" ipv6 2001:db8:1::1 128 2001:db8:1::2
+}
+
+learning()
+{
+ RET=0
+
+ # When learning is enabled on the VXLAN device, an incoming packet
+ # might try to refresh an FDB entry that points to an FDB nexthop group
+ # instead of an ordinary remote destination. Check that the kernel does
+ # not crash in this situation.
+
+ run_cmd "ip -n $ns1 address add 192.0.2.1/32 dev lo"
+ run_cmd "ip -n $ns1 address add 192.0.2.2/32 dev lo"
+
+ run_cmd "ip -n $ns1 nexthop add id 1 via 192.0.2.3 fdb"
+ run_cmd "ip -n $ns1 nexthop add id 10 group 1 fdb"
+
+ run_cmd "ip -n $ns1 link add name vx0 up type vxlan id 10010 local 192.0.2.1 dstport 12345 localbypass"
+ run_cmd "ip -n $ns1 link add name vx1 up type vxlan id 10020 local 192.0.2.2 dstport 54321 learning"
+
+ run_cmd "bridge -n $ns1 fdb add 00:11:22:33:44:55 dev vx0 self static dst 192.0.2.2 port 54321 vni 10020"
+ run_cmd "bridge -n $ns1 fdb add 00:aa:bb:cc:dd:ee dev vx1 self static nhid 10"
+
+ run_cmd "ip netns exec $ns1 mausezahn vx0 -a 00:aa:bb:cc:dd:ee -b 00:11:22:33:44:55 -c 1 -q"
+
+ log_test "VXLAN FDB nexthop: learning"
+}
+
+proxy_common()
+{
+ local af_str=$1; shift
+ local local_addr=$1; shift
+ local plen=$1; shift
+ local remote_addr=$1; shift
+ local neigh_addr=$1; shift
+ local ping_cmd=$1; shift
+
+ RET=0
+
+ # When the "proxy" option is enabled on the VXLAN device, the device
+ # will suppress ARP requests and IPv6 Neighbor Solicitation messages if
+ # it is able to reply on behalf of the remote host. That is, if a
+ # matching and valid neighbor entry is configured on the VXLAN device
+ # whose MAC address is not behind the "any" remote (0.0.0.0 / ::). The
+ # FDB entry for the neighbor's MAC address might point to an FDB
+ # nexthop group instead of an ordinary remote destination. Check that
+ # the kernel does not crash in this situation.
+
+ run_cmd "ip -n $ns1 address add $local_addr/$plen dev lo"
+
+ run_cmd "ip -n $ns1 nexthop add id 1 via $remote_addr fdb"
+ run_cmd "ip -n $ns1 nexthop add id 10 group 1 fdb"
+
+ run_cmd "ip -n $ns1 link add name vx0 up type vxlan id 10010 local $local_addr dstport 4789 proxy"
+
+ run_cmd "ip -n $ns1 neigh add $neigh_addr lladdr 00:11:22:33:44:55 nud perm dev vx0"
+
+ run_cmd "bridge -n $ns1 fdb add 00:11:22:33:44:55 dev vx0 self static nhid 10"
+
+ run_cmd "ip netns exec $ns1 $ping_cmd"
+
+ log_test "VXLAN FDB nexthop: $af_str proxy"
+}
+
+proxy_ipv4()
+{
+ proxy_common "IPv4" 192.0.2.1 32 192.0.2.2 192.0.2.3 \
+ "arping -b -c 1 -s 192.0.2.1 -I vx0 192.0.2.3"
+}
+
+proxy_ipv6()
+{
+ proxy_common "IPv6" 2001:db8:1::1 128 2001:db8:1::2 2001:db8:1::3 \
+ "ndisc6 -r 1 -s 2001:db8:1::1 -w 1 2001:db8:1::3 vx0"
+}
+
+################################################################################
+# Usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -t <test> Test(s) to run (default: all)
+ (options: $TESTS)
+ -p Pause on fail
+ -v Verbose mode (show commands and output)
+EOF
+}
+
+################################################################################
+# Main
+
+while getopts ":t:pvh" opt; do
+ case $opt in
+ t) TESTS=$OPTARG;;
+ p) PAUSE_ON_FAIL=yes;;
+ v) VERBOSE=$((VERBOSE + 1));;
+ h) usage; exit 0;;
+ *) usage; exit 1;;
+ esac
+done
+
+require_command mausezahn
+require_command arping
+require_command ndisc6
+require_command jq
+
+if ! ip nexthop help 2>&1 | grep -q "stats"; then
+ echo "SKIP: iproute2 ip too old, missing nexthop stats support"
+ exit "$ksft_skip"
+fi
+
+trap exit_cleanup_all EXIT
+
+for t in $TESTS
+do
+ setup_ns ns1; $t; cleanup_all_ns;
+done
generated by cgit (git 2.34.1) at 2025-09-05 00:48:32 +0000