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tools/test/ng_macfilter/ng_macfilter_test.sh

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#!/bin/sh
################################################################################
echo "===> Setting up system... <==============================================="
for kmod in netgraph ng_socket ng_ether ng_macfilter ng_one2many; do
kldstat -q -m $kmod \
|| kldload $kmod
done
# Figure out the first ethernet interface
eth=$(ifconfig -u -l ether | awk '{print $1}')
echo "---> Using $eth..."
progname="$(basename $0 .sh)"
entries_lst="/tmp/$progname.entries.lst"
entries2_lst="/tmp/$progname.entries2.lst"
EDGES=3
ITERATIONS=7
SUBITERATIONS=71
################################################################################
echo "===> Configuring netgraph nodes... <======================================"
# We insert macfilter->one2many between lower and upper hooks in $eth:
ngctl mkpeer $eth: macfilter lower ether # Connect the lower hook of the ether instance $eth to the ether hook of a new macfilter instance
ngctl name $eth:lower MF # Give the macfilter instance a name
ngctl mkpeer MF: one2many default many0 # Then connect macfilter:default to the many0 hook of a one2many instance
ngctl name MF:default O2M # Give the one2many instance a name
ngctl msg O2M: setconfig "{ xmitAlg=3 failAlg=1 enabledLinks=[ 1 1 ] }" # XMIT_FAILOVER -> send replies always out many0
ngctl connect O2M: $eth: one upper # Finally connect O2M:one to the upper hook of ether instance $eth
# Additionally conenct multiple outputs from macfilter to one2many
for i in $(seq 1 1 $EDGES); do
ngctl connect MF: O2M: out$i many$i
done
rc=0
################################################################################
cleanup () {
echo "===> Deconfiguring netgraph nodes... <===================================="
ngctl shutdown MF:
ngctl shutdown O2M:
rm -f $entries_lst $entries2_lst
}
trap 'exit 99' 1 2 3 13 14 15
trap 'cleanup' EXIT
countmacs () {
local hookname=${1:-'[^"]*'}
ngctl msg MF: gethooks \
| perl -ne 'sub BEGIN {$c=0} $c += $1 while s/hookname="'$hookname'" hookid=\d+ maccnt=(\d+)//; sub END {print "$c\n"}'
}
randomedge () {
edge="out$(seq 0 1 $EDGES | sort -R | head -1)"
test $edge = 'out0' && edge="default"
echo $edge
}
genmac () {
echo "00:00:00:00:$(printf "%02x" $1):$(printf "%02x" $2)"
}
validate_counts () {
if [ $1 = $2 ]; then
echo "---> $1 MACs $3"
return 0
else
echo "**** $1 vs $n2 MACs $3" 1>&2
return 1
fi
}
################################################################################
echo "===> Test: Adding many MACs... <=========================================="
I=1
for i in $(seq $ITERATIONS | sort -R); do
echo "---> Iteration $I/$iterations..."
for j in $(seq 0 1 $SUBITERATIONS); do
test $i = 2 && edge='out2' || edge='out1'
ether=$(genmac $j $i)
ngctl msg MF: direct "{ hookname=\"$edge\" ether=$ether }" \
|| echo "**** add failed for $ether:$edge ($(date '+%H:%M:%S'))" 1>&2
done
I=$(($I + 1))
done
n=$(countmacs out1)
n2=$(( ( $ITERATIONS - 1 ) * ( $SUBITERATIONS + 1 ) ))
validate_counts $n $n2 'in table for out1'
rc=$?
n=$(countmacs out2)
n2=$(( 1 * ( $SUBITERATIONS + 1 ) ))
validate_counts $n $n2 'in table for out2'
rc=$?
n=$(countmacs out3)
n2=0
validate_counts $n $n2 'in table for out3'
rc=$?
test $rc = 0 \
|| exit 1
################################################################################
echo "===> Test: Changing EDGES for MACs... <==================================="
for i in $(seq $ITERATIONS); do
edge='out3'
ether=$(genmac 0 $i)
ngctl msg MF: direct "{ hookname=\"$edge\" ether=$ether }" \
|| echo "**** add failed for $ether:$edge ($(date '+%H:%M:%S'))" 1>&2
done
n=$(countmacs out1)
n2=$(( ( $ITERATIONS - 1 ) * ( $SUBITERATIONS + 1 - 1 ) ))
validate_counts $n $n2 'in table for out1'
rc=$?
n=$(countmacs out2)
n2=$(( 1 * ( $SUBITERATIONS + 1 - 1 ) ))
validate_counts $n $n2 'in table for out2'
rc=$?
n=$(countmacs out3)
n2=$ITERATIONS
validate_counts $n $n2 'in table for out3'
rc=$?
test $rc = 0 \
|| exit 1
################################################################################
echo "===> Test: Removing all MACs one by one... <=============================="
I=1
for i in $(seq $ITERATIONS | sort -R); do
echo "---> Iteration $I/$iterations..."
for j in $(seq 0 1 $SUBITERATIONS | sort -R); do
edge="default"
ether=$(genmac $j $i)
ngctl msg MF: direct "{ hookname=\"$edge\" ether=$ether }" \
|| echo "**** remove failed for $ether:$edge ($(date '+%H:%M:%S'))" 1>&2
done
I=$(($I + 1))
done
n=$(countmacs)
n2=0
validate_counts $n $n2 'in table'
rc=$?
################################################################################
rm -f $entries_lst
echo "===> Test: Randomly adding MACs on random edges... <======================"
for i in $(seq $ITERATIONS); do
echo "---> Iteration $i/$iterations..."
for j in $(seq 0 1 $SUBITERATIONS | sort -R); do
edge=$(randomedge)
ether=$(genmac $j $i)
ngctl msg MF: direct "{ hookname=\"$edge\" ether=$ether }" \
|| echo "**** add failed for $ether:$edge" 1>&2
echo $ether $edge >> $entries_lst
done
n=$(countmacs)
echo "---> $n MACs in table"
done
n=$(countmacs out1)
n2=$(grep -c ' out1' $entries_lst)
validate_counts $n $n2 'in table for out1'
rc=$?
n=$(countmacs out2)
n2=$(grep -c ' out2' $entries_lst)
validate_counts $n $n2 'in table for out2'
rc=$?
n=$(countmacs out3)
n2=$(grep -c ' out3' $entries_lst)
validate_counts $n $n2 'in table for out3'
rc=$?
test $rc = 0 \
|| exit 1
################################################################################
rm -f $entries2_lst
echo "===> Test: Randomly changing MAC assignments... <========================="
for i in $(seq $ITERATIONS); do
echo "---> Iteration $i/$iterations..."
cat $entries_lst | while read ether edge; do
edge2=$(randomedge)
ngctl msg MF: direct "{ hookname=\"$edge2\" ether=$ether }" \
|| echo "**** change failed for $ether:$edge to $ether:$edge2" 1>&2
echo $ether $edge2 >> $entries2_lst
done
n=$(countmacs out1)
n2=$(grep -c ' out1' $entries2_lst)
validate_counts $n $n2 'in table for out1'
rc=$?
n=$(countmacs out2)
n2=$(grep -c ' out2' $entries2_lst)
validate_counts $n $n2 'in table for out2'
rc=$?
n=$(countmacs out3)
n2=$(grep -c ' out3' $entries2_lst)
validate_counts $n $n2 'in table for out3'
rc=$?
test $rc = 0 \
|| exit 1
mv $entries2_lst $entries_lst
done
################################################################################
echo "===> Test: Resetting macfilter... <======================================="
ngctl msg MF: reset \
|| echo "**** reset failed" 1>&2
validate_counts $(countmacs) 0 'in table'
rc=$?
test $rc = 0 \
|| exit 1
################################################################################
echo "===> Test: Complete! <===================================================="
exit 0