-bpftool map dump id "$(bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':')" | while read LINE; do
- case "$LINE" in
- "key:") ;;
- "value"*)
- CNT=$(( $CNT + $(echo "$LINE" | awk '{ print "0x" $11 $10 $9 $8 $7 $6 $5 $4 }') ))
- ;;
- "Found "*) ;;
- *)
- if [ "$KEY" != "" ]; then
- if [ "$KEY" = "0x00000000" ]; then
- echo "Invalid packet length: $CNT"
- elif [ "$KEY" = "0x00000001" ]; then
- echo "Invalid VLAN tag: $CNT"
- elif [ "$KEY" = "0x00000002" ]; then
- echo "Invalid/rejected IHL IPv4 field: $CNT"
- elif [ "$KEY" = "0x00000003" ]; then
- echo "Rejected IPv6 fragments: $CNT"
- else
- echo "$KEY: $CNT"
+}
+MAP_CONTENTS="$(bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do
+ bpftool map dump id "$IF"
+done)"
+echo "$MAP_CONTENTS" | {
+ declare -a BYTES
+ declare -a PACKETS
+ KEY=""
+ while read LINE; do
+ case "$LINE" in
+ *"key"*)
+ KEY=$(echo "$LINE" | awk '{ print $2 }' | tr -d ',')
+ if [ "${BYTES["${KEY}"]}" = "" ]; then
+ BYTES["${KEY}"]=0
+ PACKETS["${KEY}"]=0