86 lines · bash
1#!/bin/sh2# SPDX-License-Identifier: GPL-2.03 4# Kselftest framework requirement - SKIP code is 4.5ksft_skip=46 7BPF_FILE_USED="metadata_used.bpf.o"8BPF_FILE_UNUSED="metadata_unused.bpf.o"9 10TESTNAME=bpftool_metadata11BPF_FS=$(awk '$3 == "bpf" {print $2; exit}' /proc/mounts)12BPF_DIR=$BPF_FS/test_$TESTNAME13 14_cleanup()15{16 set +e17 rm -rf $BPF_DIR 2> /dev/null18}19 20cleanup_skip()21{22 echo "selftests: $TESTNAME [SKIP]"23 _cleanup24 25 exit $ksft_skip26}27 28cleanup()29{30 if [ "$?" = 0 ]; then31 echo "selftests: $TESTNAME [PASS]"32 else33 echo "selftests: $TESTNAME [FAILED]"34 fi35 _cleanup36}37 38if [ $(id -u) -ne 0 ]; then39 echo "selftests: $TESTNAME [SKIP] Need root privileges"40 exit $ksft_skip41fi42 43if [ -z "$BPF_FS" ]; then44 echo "selftests: $TESTNAME [SKIP] Could not run test without bpffs mounted"45 exit $ksft_skip46fi47 48if ! bpftool version > /dev/null 2>&1; then49 echo "selftests: $TESTNAME [SKIP] Could not run test without bpftool"50 exit $ksft_skip51fi52 53set -e54 55trap cleanup_skip EXIT56 57mkdir $BPF_DIR58 59trap cleanup EXIT60 61bpftool prog load $BPF_FILE_UNUSED $BPF_DIR/unused62 63METADATA_PLAIN="$(bpftool prog)"64echo "$METADATA_PLAIN" | grep 'a = "foo"' > /dev/null65echo "$METADATA_PLAIN" | grep 'b = 1' > /dev/null66 67bpftool prog --json | grep '"metadata":{"a":"foo","b":1}' > /dev/null68 69bpftool map | grep 'metadata.rodata' > /dev/null70 71rm $BPF_DIR/unused72 73bpftool prog load $BPF_FILE_USED $BPF_DIR/used74 75METADATA_PLAIN="$(bpftool prog)"76echo "$METADATA_PLAIN" | grep 'a = "bar"' > /dev/null77echo "$METADATA_PLAIN" | grep 'b = 2' > /dev/null78 79bpftool prog --json | grep '"metadata":{"a":"bar","b":2}' > /dev/null80 81bpftool map | grep 'metadata.rodata' > /dev/null82 83rm $BPF_DIR/used84 85exit 086