FM / bpf

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

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

Name	Size	Mode	Actions
benchs/	-	0755	rm
bpf_testmod/	-	0755	rm
ima_setup.sh	2515	0755	edit dl rm
Makefile	20073	0644	edit dl rm
Makefile.docs	2239	0644	edit dl rm
test_bpftool.sh	415	0755	edit dl rm
test_bpftool_build.sh	3707	0755	edit dl rm
test_bpftool_metadata.sh	1597	0755	edit dl rm
test_doc_build.sh	638	0755	edit dl rm
test_flow_dissector.sh	5243	0755	edit dl rm
test_ftrace.sh	701	0755	edit dl rm
test_kmod.sh	1318	0755	edit dl rm
test_lirc_mode2.sh	764	0755	edit dl rm
test_lwt_ip_encap.sh	14931	0755	edit dl rm
test_lwt_seg6local.sh	5808	0755	edit dl rm
test_skb_cgroup_id.sh	1349	0755	edit dl rm
test_sock_addr.sh	1105	0755	edit dl rm
test_tcp_check_syncookie.sh	1715	0755	edit dl rm
test_tc_edt.sh	2784	0755	edit dl rm
test_tc_tunnel.sh	7925	0755	edit dl rm
test_tunnel.sh	19320	0755	edit dl rm
test_xdping.sh	2077	0755	edit dl rm
test_xdp_meta.sh	1257	0755	edit dl rm
test_xdp_redirect.sh	1715	0755	edit dl rm
test_xdp_redirect_multi.sh	6321	0755	edit dl rm
test_xdp_veth.sh	3099	0755	edit dl rm
test_xdp_vlan.sh	5743	0755	edit dl rm
test_xdp_vlan_mode_generic.sh	186	0755	edit dl rm
test_xdp_vlan_mode_native.sh	180	0755	edit dl rm
test_xsk.sh	4430	0755	edit dl rm
vmtest.sh	9584	0755	edit dl rm
with_addr.sh	1296	0755	edit dl rm
with_tunnels.sh	693	0755	edit dl rm
xsk_prereqs.sh	1815	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/tools/testing/selftests/bpf/test_kmod.sh (1318B)

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

# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4

msg="skip all tests:"
if [ "$(id -u)" != "0" ]; then
	echo $msg please run this as root >&2
	exit $ksft_skip
fi

if [ "$building_out_of_srctree" ]; then
	# We are in linux-build/kselftest/bpf
	OUTPUT=../../
else
	# We are in linux/tools/testing/selftests/bpf
	OUTPUT=../../../../
fi

test_run()
{
	sysctl -w net.core.bpf_jit_enable=$1 2>&1 > /dev/null
	sysctl -w net.core.bpf_jit_harden=$2 2>&1 > /dev/null

echo "[ JIT enabled:$1 hardened:$2 ]"
	dmesg -C
	if [ -f ${OUTPUT}/lib/test_bpf.ko ]; then
		insmod ${OUTPUT}/lib/test_bpf.ko 2> /dev/null
		if [ $? -ne 0 ]; then
			rc=1
		fi
	else
		# Use modprobe dry run to check for missing test_bpf module
		if ! /sbin/modprobe -q -n test_bpf; then
			echo "test_bpf: [SKIP]"
		elif /sbin/modprobe -q test_bpf; then
			echo "test_bpf: ok"
		else
			echo "test_bpf: [FAIL]"
			rc=1
		fi
	fi
	rmmod  test_bpf 2> /dev/null
	dmesg | grep FAIL
}

test_save()
{
	JE=`sysctl -n net.core.bpf_jit_enable`
	JH=`sysctl -n net.core.bpf_jit_harden`
}

test_restore()
{
	sysctl -w net.core.bpf_jit_enable=$JE 2>&1 > /dev/null
	sysctl -w net.core.bpf_jit_harden=$JH 2>&1 > /dev/null
}

rc=0
test_save
test_run 0 0
test_run 1 0
test_run 1 1
test_run 1 2
test_restore
exit $rc

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