| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # Run a series of udpgro benchmarks |
| |
| source net_helper.sh |
| |
| readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" |
| |
| BPF_FILE="xdp_dummy.bpf.o" |
| |
| cleanup() { |
| local -r jobs="$(jobs -p)" |
| local -r ns="$(ip netns list|grep $PEER_NS)" |
| |
| [ -n "${jobs}" ] && kill -INT ${jobs} 2>/dev/null |
| [ -n "$ns" ] && ip netns del $ns 2>/dev/null |
| } |
| trap cleanup EXIT |
| |
| run_one() { |
| # use 'rx' as separator between sender args and receiver args |
| local -r all="$@" |
| local -r tx_args=${all%rx*} |
| local rx_args=${all#*rx} |
| |
| |
| |
| ip netns add "${PEER_NS}" |
| ip -netns "${PEER_NS}" link set lo up |
| ip link add type veth |
| ip link set dev veth0 up |
| ip addr add dev veth0 192.168.1.2/24 |
| ip addr add dev veth0 2001:db8::2/64 nodad |
| |
| ip link set dev veth1 netns "${PEER_NS}" |
| ip -netns "${PEER_NS}" addr add dev veth1 192.168.1.1/24 |
| ip -netns "${PEER_NS}" addr add dev veth1 2001:db8::1/64 nodad |
| ip -netns "${PEER_NS}" link set dev veth1 up |
| ip netns exec "${PEER_NS}" ethtool -K veth1 rx-gro-list on |
| |
| |
| ip -n "${PEER_NS}" link set veth1 xdp object ${BPF_FILE} section xdp |
| tc -n "${PEER_NS}" qdisc add dev veth1 clsact |
| tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file nat6to4.bpf.o section schedcls/ingress6/nat_6 direct-action |
| tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file nat6to4.bpf.o section schedcls/egress4/snat4 direct-action |
| echo ${rx_args} |
| ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & |
| |
| wait_local_port_listen "${PEER_NS}" 8000 udp |
| ./udpgso_bench_tx ${tx_args} |
| } |
| |
| run_in_netns() { |
| local -r args=$@ |
| echo ${args} |
| ./in_netns.sh $0 __subprocess ${args} |
| } |
| |
| run_udp() { |
| local -r args=$@ |
| |
| echo "udp gso - over veth touching data" |
| run_in_netns ${args} -u -S 0 rx -4 -v |
| |
| echo "udp gso and gro - over veth touching data" |
| run_in_netns ${args} -S 0 rx -4 -G |
| } |
| |
| run_tcp() { |
| local -r args=$@ |
| |
| echo "tcp - over veth touching data" |
| run_in_netns ${args} -t rx -4 -t |
| } |
| |
| run_all() { |
| local -r core_args="-l 4" |
| local -r ipv4_args="${core_args} -4 -D 192.168.1.1" |
| local -r ipv6_args="${core_args} -6 -D 2001:db8::1" |
| |
| echo "ipv6" |
| run_tcp "${ipv6_args}" |
| run_udp "${ipv6_args}" |
| } |
| |
| if [ ! -f ${BPF_FILE} ]; then |
| echo "Missing ${BPF_FILE}. Run 'make' first" |
| exit -1 |
| fi |
| |
| if [ ! -f nat6to4.bpf.o ]; then |
| echo "Missing nat6to4 helper. Run 'make' first" |
| exit -1 |
| fi |
| |
| if [[ $# -eq 0 ]]; then |
| run_all |
| elif [[ $1 == "__subprocess" ]]; then |
| shift |
| run_one $@ |
| else |
| run_in_netns $@ |
| fi |
