samples/bpf: Fix tc and ip paths in xdp2skb_meta.sh
The below path error can occur:
# ./xdp2skb_meta.sh --dev eth0 --list
./xdp2skb_meta.sh: line 61: /usr/sbin/tc: No such file or directory
So just use command names instead of absolute paths of tc and ip.
In addition, it allow callers to redefine $TC and $IP paths
Fixes: 36e04a2d78
("samples/bpf: xdp2skb_meta shows transferring info from XDP to SKB")
Reviewed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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@ -16,8 +16,8 @@
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BPF_FILE=xdp2skb_meta_kern.o
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DIR=$(dirname $0)
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export TC=/usr/sbin/tc
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export IP=/usr/sbin/ip
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[ -z "$TC" ] && TC=tc
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[ -z "$IP" ] && IP=ip
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function usage() {
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echo ""
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@ -53,7 +53,7 @@ function _call_cmd() {
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local allow_fail="$2"
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shift 2
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if [[ -n "$VERBOSE" ]]; then
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echo "$(basename $cmd) $@"
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echo "$cmd $@"
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fi
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if [[ -n "$DRYRUN" ]]; then
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return
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