2 MAP_CONTENTS="$(bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do
3 bpftool map dump id "$IF" | grep "bytes\|packets\|key" | grep -v '\(bytes\|packets\)": 0\(,\)*$' | tr -d ','
5 echo "$MAP_CONTENTS" | {
15 if [ "${BYTES["${KEY}"]}" = "" ]; then
21 BYTES["${KEY}"]=$(( ${BYTES["$KEY"]} + ${LINE:9} ))
22 TOTAL_BYTES=$(( $TOTAL_BYTES + ${LINE:9} ))
25 PACKETS["$KEY"]=$(( ${PACKETS["$KEY"]} + ${LINE:11} ))
26 TOTAL_PACKETS=$(( $TOTAL_PACKETS + ${LINE:11} ))
30 echo -e "pkts\tKBytes\tRule"
31 echo -e "${TOTAL_PACKETS}\t$(( ${TOTAL_BYTES} / 1000 ))\tTotal"
32 echo -e "${PACKETS[0]}\t$(( ${BYTES[0]} / 1000 ))\tInvalid packet length"
33 echo -e "${PACKETS[1]}\t$(( ${BYTES[1]} / 1000 ))\tInvalid VLAN tag"
34 echo -e "${PACKETS[2]}\t$(( ${BYTES[2]} / 1000 ))\tInvalid/rejected IHL IPv4 field"
35 echo -e "${PACKETS[3]}\t$(( ${BYTES[3]} / 1000 ))\tRejected IPv6 fragments"
38 echo -e "${PACKETS["$C"]}\t$(( ${BYTES["$C"]} / 1000 ))\t$LINE"
40 done < "$(dirname ${BASH_SOURCE[0]})/installed-rules.txt"