tc_batch.sh

#!/bin/bash

num=${1:?num}
SKIP=${2:-skip_sw}
ETH=${3:-p2p1}
set_index=${4:-0}    # if set_index == 1, all filters share the same action
set_prio=${5:-0}     # if set_prio == 1, all filters will have different prio

echo "SKIP $SKIP ETH $ETH NUM $num INDEX $set_index PRIO $set_prio"

echo "Clean tc rules"
TC=tc
$TC qdisc del dev $ETH ingress > /dev/null 2>&1

tmpdir="/tmp/tc_batch"
rm -fr $tmpdir
mkdir -p $tmpdir

if [[ "$SKIP" == "skip_sw" ]]; then
    OUT="$tmpdir/hw_batch"
fi
if [[ "$SKIP" == "skip_hw" ]]; then
    OUT="$tmpdir/sw_batch"
fi

n=0
count=0
prio=1

if (( set_index == 1 )); then
    index_str="index 1"
else
    index_str=""
fi

echo "Generating batches"

for ((i = 0; i < 99; i++)); do
    for ((j = 0; j < 99; j++)); do
        for ((k = 0; k < 99; k++)); do
            for ((l = 0; l < 99; l++)); do
                SMAC="e4:11:$i:$j:$k:$l"
                DMAC="e4:12:$i:$j:$k:$l"
                echo "filter add dev ${ETH} prio $prio \
protocol ip \
parent ffff: \
flower \
$SKIP \
src_mac $SMAC \
dst_mac $DMAC \
action drop $index_str" >> ${OUT}.$n
                ((count+=1))
                if (( set_prio == 1 )); then
                    ((prio+=1))
                fi
                let p=count%500000
                if [ $p == 0 ]; then
                    ((n++))
                fi
                if ((count>=num)); then
                    break;
                fi
            done
            if ((count>=num)); then
                break;
            fi
        done
        if ((count>=num)); then
            break;
        fi
    done
    if ((count>=num)); then
        break;
    fi
done

$TC qdisc add dev $ETH ingress

echo "Insert rules"

time (for file in ${OUT}.*; do
    _cmd="$TC -b $file"
    echo $_cmd
    $_cmd
    ret=$?
    ((ret != 0)) && echo "tc err: $ret" && exit $ret || true
done) 2>&1

exit $?