1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun# Kselftest framework requirement - SKIP code is 4. 5*4882a593Smuzhiyunksft_skip=4 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunTESTNAME=bpftool_metadata 8*4882a593SmuzhiyunBPF_FS=$(awk '$3 == "bpf" {print $2; exit}' /proc/mounts) 9*4882a593SmuzhiyunBPF_DIR=$BPF_FS/test_$TESTNAME 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun_cleanup() 12*4882a593Smuzhiyun{ 13*4882a593Smuzhiyun set +e 14*4882a593Smuzhiyun rm -rf $BPF_DIR 2> /dev/null 15*4882a593Smuzhiyun} 16*4882a593Smuzhiyun 17*4882a593Smuzhiyuncleanup_skip() 18*4882a593Smuzhiyun{ 19*4882a593Smuzhiyun echo "selftests: $TESTNAME [SKIP]" 20*4882a593Smuzhiyun _cleanup 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun exit $ksft_skip 23*4882a593Smuzhiyun} 24*4882a593Smuzhiyun 25*4882a593Smuzhiyuncleanup() 26*4882a593Smuzhiyun{ 27*4882a593Smuzhiyun if [ "$?" = 0 ]; then 28*4882a593Smuzhiyun echo "selftests: $TESTNAME [PASS]" 29*4882a593Smuzhiyun else 30*4882a593Smuzhiyun echo "selftests: $TESTNAME [FAILED]" 31*4882a593Smuzhiyun fi 32*4882a593Smuzhiyun _cleanup 33*4882a593Smuzhiyun} 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunif [ $(id -u) -ne 0 ]; then 36*4882a593Smuzhiyun echo "selftests: $TESTNAME [SKIP] Need root privileges" 37*4882a593Smuzhiyun exit $ksft_skip 38*4882a593Smuzhiyunfi 39*4882a593Smuzhiyun 40*4882a593Smuzhiyunif [ -z "$BPF_FS" ]; then 41*4882a593Smuzhiyun echo "selftests: $TESTNAME [SKIP] Could not run test without bpffs mounted" 42*4882a593Smuzhiyun exit $ksft_skip 43*4882a593Smuzhiyunfi 44*4882a593Smuzhiyun 45*4882a593Smuzhiyunif ! bpftool version > /dev/null 2>&1; then 46*4882a593Smuzhiyun echo "selftests: $TESTNAME [SKIP] Could not run test without bpftool" 47*4882a593Smuzhiyun exit $ksft_skip 48*4882a593Smuzhiyunfi 49*4882a593Smuzhiyun 50*4882a593Smuzhiyunset -e 51*4882a593Smuzhiyun 52*4882a593Smuzhiyuntrap cleanup_skip EXIT 53*4882a593Smuzhiyun 54*4882a593Smuzhiyunmkdir $BPF_DIR 55*4882a593Smuzhiyun 56*4882a593Smuzhiyuntrap cleanup EXIT 57*4882a593Smuzhiyun 58*4882a593Smuzhiyunbpftool prog load metadata_unused.o $BPF_DIR/unused 59*4882a593Smuzhiyun 60*4882a593SmuzhiyunMETADATA_PLAIN="$(bpftool prog)" 61*4882a593Smuzhiyunecho "$METADATA_PLAIN" | grep 'a = "foo"' > /dev/null 62*4882a593Smuzhiyunecho "$METADATA_PLAIN" | grep 'b = 1' > /dev/null 63*4882a593Smuzhiyun 64*4882a593Smuzhiyunbpftool prog --json | grep '"metadata":{"a":"foo","b":1}' > /dev/null 65*4882a593Smuzhiyun 66*4882a593Smuzhiyunbpftool map | grep 'metadata.rodata' > /dev/null 67*4882a593Smuzhiyun 68*4882a593Smuzhiyunrm $BPF_DIR/unused 69*4882a593Smuzhiyun 70*4882a593Smuzhiyunbpftool prog load metadata_used.o $BPF_DIR/used 71*4882a593Smuzhiyun 72*4882a593SmuzhiyunMETADATA_PLAIN="$(bpftool prog)" 73*4882a593Smuzhiyunecho "$METADATA_PLAIN" | grep 'a = "bar"' > /dev/null 74*4882a593Smuzhiyunecho "$METADATA_PLAIN" | grep 'b = 2' > /dev/null 75*4882a593Smuzhiyun 76*4882a593Smuzhiyunbpftool prog --json | grep '"metadata":{"a":"bar","b":2}' > /dev/null 77*4882a593Smuzhiyun 78*4882a593Smuzhiyunbpftool map | grep 'metadata.rodata' > /dev/null 79*4882a593Smuzhiyun 80*4882a593Smuzhiyunrm $BPF_DIR/used 81*4882a593Smuzhiyun 82*4882a593Smuzhiyunexit 0 83