_ Git - flowspec-xdp/blob - dropcount.sh

   1 #!/bin/bash
   2 function PRINTCNT() {
   3 if [ "$KEY" != "" ]; then
   4         if [ "$KEY" = "0x00000000" ]; then
   5                 echo "Invalid packet length: $CNT"
   6         elif [ "$KEY" = "0x00000001" ]; then
   7                 echo "Invalid VLAN tag: $CNT"
   8         elif [ "$KEY" = "0x00000002" ]; then
   9                 echo "Invalid/rejected IHL IPv4 field: $CNT"
  10         elif [ "$KEY" = "0x00000003" ]; then
  11                 echo "Rejected IPv6 fragments: $CNT"
  12         else
  13                 echo "$KEY: $CNT"
  14         fi
  15 fi
  16 CNT=0
  17 }
  18 bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do
  19         bpftool map dump id "$IF" | {
  20                 KEY=""
  21                 CNT=0
  22                 while read LINE; do
  23                         case "$LINE" in
  24                                 "key:") ;;
  25                                 "value"*)
  26                                         CNT=$(( $CNT + $(echo "$LINE" | awk '{ print "0x" $11 $10 $9 $8 $7 $6 $5 $4 }') ))
  27                                         ;;
  28                                 "Found "*) ;;
  29                                 *)
  30                                         PRINTCNT
  31                                         KEY=$(echo "$LINE" | awk '{ print "0x" $4 $3 $2 $1 }')
  32                                         ;;
  33                         esac
  34                 done
  35                 PRINTCNT
  36         }
  37 done