FM / forwarding

/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/net/forwarding/

/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/net/forwarding

Name	Size	Mode	Actions
bridge_igmp.sh	15152	0755	edit dl rm
bridge_mld.sh	16563	0755	edit dl rm
bridge_port_isolation.sh	2378	0755	edit dl rm
bridge_sticky_fdb.sh	1159	0755	edit dl rm
bridge_vlan_aware.sh	2524	0755	edit dl rm
bridge_vlan_unaware.sh	1248	0755	edit dl rm
custom_multipath_hash.sh	9993	0755	edit dl rm
devlink_lib.sh	13118	0644	edit dl rm
dual_vxlan_bridge.sh	11439	0755	edit dl rm
ethtool.sh	6745	0755	edit dl rm
ethtool_extended_state.sh	1923	0755	edit dl rm
ethtool_lib.sh	2815	0644	edit dl rm
fib_offload_lib.sh	25157	0644	edit dl rm
gre_custom_multipath_hash.sh	12768	0755	edit dl rm
gre_inner_v4_multipath.sh	7730	0755	edit dl rm
gre_inner_v6_multipath.sh	7843	0755	edit dl rm
gre_multipath.sh	6439	0755	edit dl rm
gre_multipath_nh.sh	9301	0755	edit dl rm
gre_multipath_nh_res.sh	9491	0755	edit dl rm
ip6gre_custom_multipath_hash.sh	13038	0755	edit dl rm
ip6gre_inner_v4_multipath.sh	7956	0755	edit dl rm
ip6gre_inner_v6_multipath.sh	8069	0755	edit dl rm
ip6_forward_instats_vrf.sh	3092	0755	edit dl rm
ipip_flat_gre.sh	838	0755	edit dl rm
ipip_flat_gre_key.sh	860	0755	edit dl rm
ipip_flat_gre_keys.sh	886	0755	edit dl rm
ipip_hier_gre.sh	887	0755	edit dl rm
ipip_hier_gre_key.sh	910	0755	edit dl rm
ipip_hier_gre_keys.sh	938	0755	edit dl rm
ipip_lib.sh	8557	0644	edit dl rm
lib.sh	28668	0644	edit dl rm
loopback.sh	1589	0755	edit dl rm
Makefile	1718	0644	edit dl rm
mirror_gre.sh	3366	0755	edit dl rm
mirror_gre_bound.sh	5929	0755	edit dl rm
mirror_gre_bridge_1d.sh	4504	0755	edit dl rm
mirror_gre_bridge_1d_vlan.sh	2717	0755	edit dl rm
mirror_gre_bridge_1q.sh	4380	0755	edit dl rm
mirror_gre_bridge_1q_lag.sh	7485	0755	edit dl rm
mirror_gre_changes.sh	5824	0755	edit dl rm
mirror_gre_flower.sh	2891	0755	edit dl rm
mirror_gre_lag_lacp.sh	7458	0755	edit dl rm
mirror_gre_lib.sh	2565	0644	edit dl rm
mirror_gre_neigh.sh	2338	0755	edit dl rm
mirror_gre_nh.sh	2974	0755	edit dl rm
mirror_gre_topo_lib.sh	3524	0644	edit dl rm
mirror_gre_vlan.sh	1715	0755	edit dl rm
mirror_gre_vlan_bridge_1q.sh	9117	0755	edit dl rm
mirror_lib.sh	2964	0644	edit dl rm
mirror_topo_lib.sh	2758	0644	edit dl rm
mirror_vlan.sh	2303	0755	edit dl rm
pedit_dsfield.sh	6789	0755	edit dl rm
pedit_l4port.sh	4564	0755	edit dl rm
q_in_vni.sh	10926	0755	edit dl rm
router.sh	6322	0755	edit dl rm
router_bridge.sh	1794	0755	edit dl rm
router_bridge_vlan.sh	2108	0755	edit dl rm
router_broadcast.sh	5142	0755	edit dl rm
router_mpath_nh.sh	9828	0755	edit dl rm
router_mpath_nh_res.sh	10223	0755	edit dl rm
router_multicast.sh	11597	0755	edit dl rm
router_multipath.sh	8449	0755	edit dl rm
router_nh.sh	2627	0755	edit dl rm
router_vid_1.sh	2153	0755	edit dl rm
sch_ets.sh	781	0755	edit dl rm
sch_ets_core.sh	7456	0644	edit dl rm
sch_ets_tests.sh	4044	0644	edit dl rm
sch_red.sh	11358	0755	edit dl rm
sch_tbf_core.sh	5140	0644	edit dl rm
sch_tbf_ets.sh	118	0755	edit dl rm
sch_tbf_etsprio.sh	711	0644	edit dl rm
sch_tbf_prio.sh	118	0755	edit dl rm
sch_tbf_root.sh	422	0755	edit dl rm
skbedit_priority.sh	3901	0755	edit dl rm
tc_actions.sh	6606	0755	edit dl rm
tc_chains.sh	4945	0755	edit dl rm
tc_common.sh	524	0644	edit dl rm
tc_flower.sh	21752	0755	edit dl rm
tc_flower_router.sh	3096	0755	edit dl rm
tc_mpls_l2vpn.sh	5146	0755	edit dl rm
tc_police.sh	12111	0755	edit dl rm
tc_shblocks.sh	2748	0755	edit dl rm
tc_vlan_modify.sh	3246	0755	edit dl rm
vxlan_asymmetric.sh	17978	0755	edit dl rm
vxlan_bridge_1d.sh	20863	0755	edit dl rm
vxlan_bridge_1d_port_8472.sh	172	0755	edit dl rm
vxlan_bridge_1q.sh	24053	0755	edit dl rm
vxlan_bridge_1q_port_8472.sh	172	0755	edit dl rm
vxlan_symmetric.sh	18488	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/tools/testing/selftests/net/forwarding/router.sh (6322B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

ALL_TESTS="
	ping_ipv4
	ping_ipv6
	sip_in_class_e
	mc_mac_mismatch
	ipv4_sip_equal_dip
	ipv6_sip_equal_dip
	ipv4_dip_link_local
"

NUM_NETIFS=4
source lib.sh
source tc_common.sh

require_command $MCD
require_command $MC_CLI
table_name=selftests

h1_create()
{
	vrf_create "vrf-h1"
	ip link set dev $h1 master vrf-h1

ip link set dev vrf-h1 up
	ip link set dev $h1 up

ip address add 192.0.2.2/24 dev $h1
	ip address add 2001:db8:1::2/64 dev $h1

ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1
	ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1
}

h1_destroy()
{
	ip route del 2001:db8:2::/64 vrf vrf-h1
	ip route del 198.51.100.0/24 vrf vrf-h1

ip address del 2001:db8:1::2/64 dev $h1
	ip address del 192.0.2.2/24 dev $h1

ip link set dev $h1 down
	vrf_destroy "vrf-h1"
}

h2_create()
{
	vrf_create "vrf-h2"
	ip link set dev $h2 master vrf-h2

ip link set dev vrf-h2 up
	ip link set dev $h2 up

ip address add 198.51.100.2/24 dev $h2
	ip address add 2001:db8:2::2/64 dev $h2

ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1
	ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1
}

h2_destroy()
{
	ip route del 2001:db8:1::/64 vrf vrf-h2
	ip route del 192.0.2.0/24 vrf vrf-h2

ip address del 2001:db8:2::2/64 dev $h2
	ip address del 198.51.100.2/24 dev $h2

ip link set dev $h2 down
	vrf_destroy "vrf-h2"
}

router_create()
{
	ip link set dev $rp1 up
	ip link set dev $rp2 up

tc qdisc add dev $rp2 clsact

ip address add 192.0.2.1/24 dev $rp1
	ip address add 2001:db8:1::1/64 dev $rp1

ip address add 198.51.100.1/24 dev $rp2
	ip address add 2001:db8:2::1/64 dev $rp2
}

router_destroy()
{
	ip address del 2001:db8:2::1/64 dev $rp2
	ip address del 198.51.100.1/24 dev $rp2

ip address del 2001:db8:1::1/64 dev $rp1
	ip address del 192.0.2.1/24 dev $rp1

tc qdisc del dev $rp2 clsact

ip link set dev $rp2 down
	ip link set dev $rp1 down
}

start_mcd()
{
	SMCROUTEDIR="$(mktemp -d)"

for ((i = 1; i <= $NUM_NETIFS; ++i)); do
		echo "phyint ${NETIFS[p$i]} enable" >> \
			$SMCROUTEDIR/$table_name.conf
	done

$MCD -N -I $table_name -f $SMCROUTEDIR/$table_name.conf \
		-P $SMCROUTEDIR/$table_name.pid
}

kill_mcd()
{
	pkill $MCD
	rm -rf $SMCROUTEDIR
}

setup_prepare()
{
	h1=${NETIFS[p1]}
	rp1=${NETIFS[p2]}

rp2=${NETIFS[p3]}
	h2=${NETIFS[p4]}

rp1mac=$(mac_get $rp1)

start_mcd

vrf_prepare

h1_create
	h2_create

router_create

forwarding_enable
}

cleanup()
{
	pre_cleanup

forwarding_restore

router_destroy

h2_destroy
	h1_destroy

vrf_cleanup

kill_mcd
}

ping_ipv4()
{
	ping_test $h1 198.51.100.2
}

ping_ipv6()
{
	ping6_test $h1 2001:db8:2::2
}

sip_in_class_e()
{
	RET=0

# Disable rpfilter to prevent packets to be dropped because of it.
	sysctl_set net.ipv4.conf.all.rp_filter 0
	sysctl_set net.ipv4.conf.$rp1.rp_filter 0

tc filter add dev $rp2 egress protocol ip pref 1 handle 101 \
		flower src_ip 240.0.0.1 ip_proto udp action pass

$MZ $h1 -t udp "sp=54321,dp=12345" -c 5 -d 1msec \
		-A 240.0.0.1 -b $rp1mac -B 198.51.100.2 -q

tc_check_packets "dev $rp2 egress" 101 5
	check_err $? "Packets were dropped"

log_test "Source IP in class E"

tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower
	sysctl_restore net.ipv4.conf.$rp1.rp_filter
	sysctl_restore net.ipv4.conf.all.rp_filter
}

create_mcast_sg()
{
	local if_name=$1; shift
	local s_addr=$1; shift
	local mcast=$1; shift
	local dest_ifs=${@}

$MC_CLI -I $table_name add $if_name $s_addr $mcast $dest_ifs
}

delete_mcast_sg()
{
	local if_name=$1; shift
	local s_addr=$1; shift
	local mcast=$1; shift
	local dest_ifs=${@}

$MC_CLI -I $table_name remove $if_name $s_addr $mcast $dest_ifs
}

__mc_mac_mismatch()
{
	local desc=$1; shift
	local proto=$1; shift
	local sip=$1; shift
	local dip=$1; shift
	local flags=${1:-""}; shift
	local dmac=01:02:03:04:05:06

RET=0

tc filter add dev $rp2 egress protocol $proto pref 1 handle 101 \
		flower dst_ip $dip action pass

create_mcast_sg $rp1 $sip $dip $rp2

$MZ $flags $h1 -t udp "sp=54321,dp=12345" -c 5 -d 1msec -b $dmac \
		-B $dip -q

tc_check_packets "dev $rp2 egress" 101 5
	check_err $? "Packets were dropped"

log_test "Multicast MAC mismatch: $desc"

delete_mcast_sg $rp1 $sip $dip $rp2
	tc filter del dev $rp2 egress protocol $proto pref 1 handle 101 flower
}

mc_mac_mismatch()
{
	__mc_mac_mismatch "IPv4" "ip" 192.0.2.2 225.1.2.3
	__mc_mac_mismatch "IPv6" "ipv6" 2001:db8:1::2 ff0e::3 "-6"
}

ipv4_sip_equal_dip()
{
	RET=0

# Disable rpfilter to prevent packets to be dropped because of it.
	sysctl_set net.ipv4.conf.all.rp_filter 0
	sysctl_set net.ipv4.conf.$rp1.rp_filter 0

tc filter add dev $rp2 egress protocol ip pref 1 handle 101 \
		flower src_ip 198.51.100.2  action pass

$MZ $h1 -t udp "sp=54321,dp=12345" -c 5 -d 1msec \
		-A 198.51.100.2 -b $rp1mac -B 198.51.100.2 -q

tc_check_packets "dev $rp2 egress" 101 5
	check_err $? "Packets were dropped"

log_test "Source IP is equal to destination IP: IPv4"

tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower
	sysctl_restore net.ipv4.conf.$rp1.rp_filter
	sysctl_restore net.ipv4.conf.all.rp_filter
}

ipv6_sip_equal_dip()
{
	RET=0

tc filter add dev $rp2 egress protocol ipv6 pref 1 handle 101 \
		flower src_ip 2001:db8:2::2 action pass

$MZ -6 $h1 -t udp "sp=54321,dp=12345" -c 5 -d 1msec \
		-A 2001:db8:2::2 -b $rp1mac -B 2001:db8:2::2 -q

tc_check_packets "dev $rp2 egress" 101 5
	check_err $? "Packets were dropped"

log_test "Source IP is equal to destination IP: IPv6"

tc filter del dev $rp2 egress protocol ipv6 pref 1 handle 101 flower
}

ipv4_dip_link_local()
{
	local dip=169.254.1.1

RET=0

tc filter add dev $rp2 egress protocol ip pref 1 handle 101 \
		flower dst_ip $dip action pass

ip neigh add 169.254.1.1 lladdr 00:11:22:33:44:55 dev $rp2
	ip route add 169.254.1.0/24 dev $rp2

$MZ $h1 -t udp "sp=54321,dp=12345" -c 5 -d 1msec -b $rp1mac -B $dip -q

tc_check_packets "dev $rp2 egress" 101 5
	check_err $? "Packets were dropped"

log_test "IPv4 destination IP is link-local"

ip route del 169.254.1.0/24 dev $rp2
	ip neigh del 169.254.1.1 lladdr 00:11:22:33:44:55 dev $rp2
	tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower
}

trap cleanup EXIT

setup_prepare
setup_wait

tests_run

exit $EXIT_STATUS

cmd: