0001
0002
0003
0004
0005
0006 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
0007
0008 cleanup() {
0009 local -r jobs="$(jobs -p)"
0010 local -r ns="$(ip netns list|grep $PEER_NS)"
0011
0012 [ -n "${jobs}" ] && kill -INT ${jobs} 2>/dev/null
0013 [ -n "$ns" ] && ip netns del $ns 2>/dev/null
0014 }
0015 trap cleanup EXIT
0016
0017 run_one() {
0018
0019 local -r all="$@"
0020 local -r tx_args=${all%rx*}
0021 local rx_args=${all
0022
0023
0024
0025 ip netns add "${PEER_NS}"
0026 ip -netns "${PEER_NS}" link set lo up
0027 ip link add type veth
0028 ip link set dev veth0 up
0029 ip addr add dev veth0 192.168.1.2/24
0030 ip addr add dev veth0 2001:db8::2/64 nodad
0031
0032 ip link set dev veth1 netns "${PEER_NS}"
0033 ip -netns "${PEER_NS}" addr add dev veth1 192.168.1.1/24
0034 ip -netns "${PEER_NS}" addr add dev veth1 2001:db8::1/64 nodad
0035 ip -netns "${PEER_NS}" link set dev veth1 up
0036 ip netns exec "${PEER_NS}" ethtool -K veth1 rx-gro-list on
0037
0038
0039 ip -n "${PEER_NS}" link set veth1 xdp object ../bpf/xdp_dummy.o section xdp
0040 tc -n "${PEER_NS}" qdisc add dev veth1 clsact
0041 tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file ../bpf/nat6to4.o section schedcls/ingress6/nat_6 direct-action
0042 tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file ../bpf/nat6to4.o section schedcls/egress4/snat4 direct-action
0043 echo ${rx_args}
0044 ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r &
0045
0046
0047 sleep 0.1
0048 ./udpgso_bench_tx ${tx_args}
0049 }
0050
0051 run_in_netns() {
0052 local -r args=$@
0053 echo ${args}
0054 ./in_netns.sh $0 __subprocess ${args}
0055 }
0056
0057 run_udp() {
0058 local -r args=$@
0059
0060 echo "udp gso - over veth touching data"
0061 run_in_netns ${args} -u -S 0 rx -4 -v
0062
0063 echo "udp gso and gro - over veth touching data"
0064 run_in_netns ${args} -S 0 rx -4 -G
0065 }
0066
0067 run_tcp() {
0068 local -r args=$@
0069
0070 echo "tcp - over veth touching data"
0071 run_in_netns ${args} -t rx -4 -t
0072 }
0073
0074 run_all() {
0075 local -r core_args="-l 4"
0076 local -r ipv4_args="${core_args} -4 -D 192.168.1.1"
0077 local -r ipv6_args="${core_args} -6 -D 2001:db8::1"
0078
0079 echo "ipv6"
0080 run_tcp "${ipv6_args}"
0081 run_udp "${ipv6_args}"
0082 }
0083
0084 if [ ! -f ../bpf/xdp_dummy.o ]; then
0085 echo "Missing xdp_dummy helper. Build bpf selftest first"
0086 exit -1
0087 fi
0088
0089 if [ ! -f bpf/nat6to4.o ]; then
0090 echo "Missing nat6to4 helper. Build bpfnat6to4.o selftest first"
0091 exit -1
0092 fi
0093
0094 if [[ $
0095 run_all
0096 elif [[ $1 == "__subprocess" ]]; then
0097 shift
0098 run_one $@
0099 else
0100 run_in_netns $@
0101 fi