FM / net

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

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

Name	Size	Mode	Actions
af_unix/	-	0755	rm
forwarding/	-	0755	rm
mptcp/	-	0755	rm
altnames.sh	1817	0755	edit dl rm
bareudp.sh	21290	0755	edit dl rm
drop_monitor_tests.sh	4439	0755	edit dl rm
fcnal-test.sh	103221	0755	edit dl rm
fib-onlink-tests.sh	12409	0755	edit dl rm
fib_nexthops.sh	68003	0755	edit dl rm
fib_nexthop_multiprefix.sh	5870	0755	edit dl rm
fib_nexthop_nongw.sh	2327	0755	edit dl rm
fib_rule_tests.sh	5981	0755	edit dl rm
fib_tests.sh	57224	0755	edit dl rm
fin_ack_lat.sh	507	0755	edit dl rm
gre_gso.sh	4237	0755	edit dl rm
gro.sh	2132	0755	edit dl rm
icmp.sh	2618	0755	edit dl rm
icmp_redirect.sh	12820	0755	edit dl rm
in_netns.sh	323	0755	edit dl rm
ioam6.sh	25962	0755	edit dl rm
ip6_gre_headroom.sh	1400	0755	edit dl rm
ipv6_flowlabel.sh	502	0755	edit dl rm
ip_defrag.sh	2087	0755	edit dl rm
l2tp.sh	9909	0755	edit dl rm
lib.sh	597	0644	edit dl rm
Makefile	2499	0644	edit dl rm
msg_zerocopy.sh	3012	0755	edit dl rm
netdevice.sh	4521	0755	edit dl rm
net_helper.sh	514	0644	edit dl rm
pmtu.sh	74711	0755	edit dl rm
psock_snd.sh	2252	0755	edit dl rm
reuseaddr_ports_exhausted.sh	635	0755	edit dl rm
reuseport_addr_any.sh	81	0755	edit dl rm
route_localnet.sh	1871	0755	edit dl rm
rtnetlink.sh	29476	0755	edit dl rm
rxtimestamp.sh	79	0755	edit dl rm
setup_loopback.sh	2654	0644	edit dl rm
setup_veth.sh	929	0644	edit dl rm
so_txtime.sh	2434	0755	edit dl rm
srv6_end_dt4_l3vpn_test.sh	17454	0755	edit dl rm
srv6_end_dt6_l3vpn_test.sh	17615	0755	edit dl rm
srv6_end_dt46_l3vpn_test.sh	21121	0755	edit dl rm
tcp_fastopen_backup_key.sh	1086	0755	edit dl rm
test_blackhole_dev.sh	280	0755	edit dl rm
test_bpf.sh	225	0755	edit dl rm
test_vxlan_fdb_changelink.sh	678	0755	edit dl rm
test_vxlan_under_vrf.sh	5607	0755	edit dl rm
toeplitz.sh	4983	0755	edit dl rm
toeplitz_client.sh	667	0755	edit dl rm
traceroute.sh	7131	0755	edit dl rm
txtimestamp.sh	1702	0755	edit dl rm
udpgro.sh	5988	0755	edit dl rm
udpgro_bench.sh	2126	0755	edit dl rm
udpgro_fwd.sh	7145	0755	edit dl rm
udpgso.sh	545	0755	edit dl rm
udpgso_bench.sh	2852	0755	edit dl rm
unicast_extensions.sh	8263	0755	edit dl rm
veth.sh	10441	0755	edit dl rm
vrf-xfrm-tests.sh	10970	0755	edit dl rm
vrf_route_leaking.sh	14946	0755	edit dl rm
vrf_strict_mode_test.sh	7688	0755	edit dl rm
xfrm_policy.sh	14759	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/ip6_gre_headroom.sh (1400B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Test that enough headroom is reserved for the first packet passing through an
# IPv6 GRE-like netdevice.

setup_prepare()
{
	ip link add h1 type veth peer name swp1
	ip link add h3 type veth peer name swp3

ip link set dev h1 up
	ip address add 192.0.2.1/28 dev h1

ip link add dev vh3 type vrf table 20
	ip link set dev h3 master vh3
	ip link set dev vh3 up
	ip link set dev h3 up

ip link set dev swp3 up
	ip address add dev swp3 2001:db8:2::1/64
	ip address add dev swp3 2001:db8:2::3/64

ip link set dev swp1 up
	tc qdisc add dev swp1 clsact

ip link add name er6 type ip6erspan \
	   local 2001:db8:2::1 remote 2001:db8:2::2 oseq okey 123
	ip link set dev er6 up

ip link add name gt6 type ip6gretap \
	   local 2001:db8:2::3 remote 2001:db8:2::4
	ip link set dev gt6 up

sleep 1
}

cleanup()
{
	ip link del dev gt6
	ip link del dev er6
	ip link del dev swp1
	ip link del dev swp3
	ip link del dev vh3
}

test_headroom()
{
	local type=$1; shift
	local tundev=$1; shift

tc filter add dev swp1 ingress pref 1000 matchall skip_hw \
		action mirred egress mirror dev $tundev
	ping -I h1 192.0.2.2 -c 1 -w 2 &> /dev/null
	tc filter del dev swp1 ingress pref 1000

# If it doesn't panic, it passes.
	printf "TEST: %-60s  [PASS]\n" "$type headroom"
}

trap cleanup EXIT

setup_prepare
test_headroom ip6gretap gt6
test_headroom ip6erspan er6

cmd: