1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3# 4# Run a series of udpgro benchmarks 5 6source net_helper.sh 7 8readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" 9 10BPF_FILE="xdp_dummy.o" 11 12cleanup() { 13 local -r jobs="$(jobs -p)" 14 local -r ns="$(ip netns list|grep $PEER_NS)" 15 16 [ -n "${jobs}" ] && kill -INT ${jobs} 2>/dev/null 17 [ -n "$ns" ] && ip netns del $ns 2>/dev/null 18} 19trap cleanup EXIT 20 21run_one() { 22 # use 'rx' as separator between sender args and receiver args 23 local -r all="$@" 24 local -r tx_args=${all%rx*} 25 local rx_args=${all#*rx} 26 27 [[ "${tx_args}" == *"-4"* ]] && rx_args="${rx_args} -4" 28 29 ip netns add "${PEER_NS}" 30 ip -netns "${PEER_NS}" link set lo up 31 ip link add type veth 32 ip link set dev veth0 up 33 ip addr add dev veth0 192.168.1.2/24 34 ip addr add dev veth0 2001:db8::2/64 nodad 35 36 ip link set dev veth1 netns "${PEER_NS}" 37 ip -netns "${PEER_NS}" addr add dev veth1 192.168.1.1/24 38 ip -netns "${PEER_NS}" addr add dev veth1 2001:db8::1/64 nodad 39 ip -netns "${PEER_NS}" link set dev veth1 up 40 41 ip -n "${PEER_NS}" link set veth1 xdp object ${BPF_FILE} section xdp 42 ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & 43 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -t ${rx_args} -r & 44 45 wait_local_port_listen "${PEER_NS}" 8000 udp 46 ./udpgso_bench_tx ${tx_args} 47} 48 49run_in_netns() { 50 local -r args=$@ 51 52 ./in_netns.sh $0 __subprocess ${args} 53} 54 55run_udp() { 56 local -r args=$@ 57 58 echo "udp gso - over veth touching data" 59 run_in_netns ${args} -S 0 rx 60 61 echo "udp gso and gro - over veth touching data" 62 run_in_netns ${args} -S 0 rx -G 63} 64 65run_tcp() { 66 local -r args=$@ 67 68 echo "tcp - over veth touching data" 69 run_in_netns ${args} -t rx 70} 71 72run_all() { 73 local -r core_args="-l 4" 74 local -r ipv4_args="${core_args} -4 -D 192.168.1.1" 75 local -r ipv6_args="${core_args} -6 -D 2001:db8::1" 76 77 echo "ipv4" 78 run_tcp "${ipv4_args}" 79 run_udp "${ipv4_args}" 80 81 echo "ipv6" 82 run_tcp "${ipv4_args}" 83 run_udp "${ipv6_args}" 84} 85 86if [ ! -f ${BPF_FILE} ]; then 87 echo "Missing ${BPF_FILE}. Run 'make' first" 88 exit -1 89fi 90 91if [[ $# -eq 0 ]]; then 92 run_all 93elif [[ $1 == "__subprocess" ]]; then 94 shift 95 run_one $@ 96else 97 run_in_netns $@ 98fi 99