| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # Run a series of udpgro benchmarks |
| |
| readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" |
| |
| cleanup() { |
| local -r jobs="$(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} |
| |
| [[ "${tx_args}" == *"-4"* ]] && rx_args="${rx_args} -4" |
| |
| 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 -n "${PEER_NS}" link set veth1 xdp object ../bpf/xdp_dummy.o section xdp_dummy |
| ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & |
| ip netns exec "${PEER_NS}" ./udpgso_bench_rx -t ${rx_args} -r & |
| |
| # Hack: let bg programs complete the startup |
| sleep 0.1 |
| ./udpgso_bench_tx ${tx_args} |
| } |
| |
| run_in_netns() { |
| local -r args=$@ |
| |
| ./in_netns.sh $0 __subprocess ${args} |
| } |
| |
| run_udp() { |
| local -r args=$@ |
| |
| echo "udp gso - over veth touching data" |
| run_in_netns ${args} -S 0 rx |
| |
| echo "udp gso and gro - over veth touching data" |
| run_in_netns ${args} -S 0 rx -G |
| } |
| |
| run_tcp() { |
| local -r args=$@ |
| |
| echo "tcp - over veth touching data" |
| run_in_netns ${args} -t rx |
| } |
| |
| run_all() { |
| local -r core_args="-l 4" |
| local -r ipv4_args="${core_args} -4 -D 192.168.1.1" |
| local -r ipv6_args="${core_args} -6 -D 2001:db8::1" |
| |
| echo "ipv4" |
| run_tcp "${ipv4_args}" |
| run_udp "${ipv4_args}" |
| |
| echo "ipv6" |
| run_tcp "${ipv4_args}" |
| run_udp "${ipv6_args}" |
| } |
| |
| if [ ! -f ../bpf/xdp_dummy.o ]; then |
| echo "Missing xdp_dummy helper. Build bpf selftest first" |
| exit -1 |
| fi |
| |
| if [[ $# -eq 0 ]]; then |
| run_all |
| elif [[ $1 == "__subprocess" ]]; then |
| shift |
| run_one $@ |
| else |
| run_in_netns $@ |
| fi |
