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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
readonly NS="ns-$(mktemp -u XXXXXX)"
cleanup() {
ip netns del $NS
}
ip netns add $NS
trap cleanup EXIT
ip -netns $NS link set lo up
ip -netns $NS tuntap add name tap1 mode tap
ip -netns $NS link set tap1 up
ip -netns $NS link set dev tap1 addr 02:00:00:00:00:01
ip -netns $NS -6 addr add fdab::1 peer fdab::2 dev tap1 nodad
ip netns exec $NS ethtool -K tap1 gro off
# disable early demux, else udp_v6_early_demux pulls udp header into linear
ip netns exec $NS sysctl -w net.ipv4.ip_early_demux=0
echo "no filter"
ip netns exec $NS ./skf_net_off -i tap1
echo "filter, linear skb (-f)"
ip netns exec $NS ./skf_net_off -i tap1 -f
echo "filter, fragmented skb (-f) (-F)"
ip netns exec $NS ./skf_net_off -i tap1 -f -F
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