FM / forwarding

/usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding/

/usr/src/linux-headers-5.15.0-190/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	21064	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-5.15.0-190/tools/testing/selftests/net/forwarding/mirror_lib.sh (2964B)

# SPDX-License-Identifier: GPL-2.0

mirror_install()
{
	local from_dev=$1; shift
	local direction=$1; shift
	local to_dev=$1; shift
	local filter=$1; shift

tc filter add dev $from_dev $direction \
	   pref 1000 $filter \
	   action mirred egress mirror dev $to_dev
}

mirror_uninstall()
{
	local from_dev=$1; shift
	local direction=$1; shift

tc filter del dev $swp1 $direction pref 1000
}

is_ipv6()
{
	local addr=$1; shift

[[ -z ${addr//[0-9a-fA-F:]/} ]]
}

mirror_test()
{
	local vrf_name=$1; shift
	local sip=$1; shift
	local dip=$1; shift
	local dev=$1; shift
	local pref=$1; shift
	local expect=$1; shift

if is_ipv6 $dip; then
		local proto=-6
		local type="icmp6 type=128" # Echo request.
	else
		local proto=
		local type="icmp echoreq"
	fi

local t0=$(tc_rule_stats_get $dev $pref)
	$MZ $proto $vrf_name ${sip:+-A $sip} -B $dip -a own -b bc -q \
	    -c 10 -d 100msec -t $type
	sleep 0.5
	local t1=$(tc_rule_stats_get $dev $pref)
	local delta=$((t1 - t0))
	# Tolerate a couple stray extra packets.
	((expect <= delta && delta <= expect + 2))
	check_err $? "Expected to capture $expect packets, got $delta."
}

do_test_span_dir_ips()
{
	local expect=$1; shift
	local dev=$1; shift
	local direction=$1; shift
	local ip1=$1; shift
	local ip2=$1; shift

icmp_capture_install $dev
	mirror_test v$h1 $ip1 $ip2 $dev 100 $expect
	mirror_test v$h2 $ip2 $ip1 $dev 100 $expect
	icmp_capture_uninstall $dev
}

quick_test_span_dir_ips()
{
	do_test_span_dir_ips 10 "$@"
}

fail_test_span_dir_ips()
{
	do_test_span_dir_ips 0 "$@"
}

test_span_dir_ips()
{
	local dev=$1; shift
	local direction=$1; shift
	local forward_type=$1; shift
	local backward_type=$1; shift
	local ip1=$1; shift
	local ip2=$1; shift

quick_test_span_dir_ips "$dev" "$direction" "$ip1" "$ip2"

icmp_capture_install $dev "type $forward_type"
	mirror_test v$h1 $ip1 $ip2 $dev 100 10
	icmp_capture_uninstall $dev

icmp_capture_install $dev "type $backward_type"
	mirror_test v$h2 $ip2 $ip1 $dev 100 10
	icmp_capture_uninstall $dev
}

fail_test_span_dir()
{
	fail_test_span_dir_ips "$@" 192.0.2.1 192.0.2.2
}

test_span_dir()
{
	test_span_dir_ips "$@" 192.0.2.1 192.0.2.2
}

do_test_span_vlan_dir_ips()
{
	local expect=$1; shift
	local dev=$1; shift
	local vid=$1; shift
	local direction=$1; shift
	local ip1=$1; shift
	local ip2=$1; shift

# Install the capture as skip_hw to avoid double-counting of packets.
	# The traffic is meant for local box anyway, so will be trapped to
	# kernel.
	vlan_capture_install $dev "skip_hw vlan_id $vid vlan_ethtype ip"
	mirror_test v$h1 $ip1 $ip2 $dev 100 $expect
	mirror_test v$h2 $ip2 $ip1 $dev 100 $expect
	vlan_capture_uninstall $dev
}

quick_test_span_vlan_dir_ips()
{
	do_test_span_vlan_dir_ips 10 "$@"
}

fail_test_span_vlan_dir_ips()
{
	do_test_span_vlan_dir_ips 0 "$@"
}

quick_test_span_vlan_dir()
{
	quick_test_span_vlan_dir_ips "$@" 192.0.2.1 192.0.2.2
}

fail_test_span_vlan_dir()
{
	fail_test_span_vlan_dir_ips "$@" 192.0.2.1 192.0.2.2
}

cmd: