1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3# 4# Run a series of udpgro benchmarks 5 6readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" 7 8cleanup() { 9 local -r jobs="$(jobs -p)" 10 local -r ns="$(ip netns list|grep $PEER_NS)" 11 12 [ -n "${jobs}" ] && kill -INT ${jobs} 2>/dev/null 13 [ -n "$ns" ] && ip netns del $ns 2>/dev/null 14} 15trap cleanup EXIT 16 17run_one() { 18 # use 'rx' as separator between sender args and receiver args 19 local -r all="$@" 20 local -r tx_args=${all%rx*} 21 local rx_args=${all#*rx} 22 23 24 25 ip netns add "${PEER_NS}" 26 ip -netns "${PEER_NS}" link set lo up 27 ip link add type veth 28 ip link set dev veth0 up 29 ip addr add dev veth0 192.168.1.2/24 30 ip addr add dev veth0 2001:db8::2/64 nodad 31 32 ip link set dev veth1 netns "${PEER_NS}" 33 ip -netns "${PEER_NS}" addr add dev veth1 192.168.1.1/24 34 ip -netns "${PEER_NS}" addr add dev veth1 2001:db8::1/64 nodad 35 ip -netns "${PEER_NS}" link set dev veth1 up 36 ip netns exec "${PEER_NS}" ethtool -K veth1 rx-gro-list on 37 38 39 ip -n "${PEER_NS}" link set veth1 xdp object ../bpf/xdp_dummy.o section xdp_dummy 40 tc -n "${PEER_NS}" qdisc add dev veth1 clsact 41 tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file ../bpf/nat6to4.o section schedcls/ingress6/nat_6 direct-action 42 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 43 echo ${rx_args} 44 ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & 45 46 # Hack: let bg programs complete the startup 47 sleep 0.1 48 ./udpgso_bench_tx ${tx_args} 49} 50 51run_in_netns() { 52 local -r args=$@ 53 echo ${args} 54 ./in_netns.sh $0 __subprocess ${args} 55} 56 57run_udp() { 58 local -r args=$@ 59 60 echo "udp gso - over veth touching data" 61 run_in_netns ${args} -u -S 0 rx -4 -v 62 63 echo "udp gso and gro - over veth touching data" 64 run_in_netns ${args} -S 0 rx -4 -G 65} 66 67run_tcp() { 68 local -r args=$@ 69 70 echo "tcp - over veth touching data" 71 run_in_netns ${args} -t rx -4 -t 72} 73 74run_all() { 75 local -r core_args="-l 4" 76 local -r ipv4_args="${core_args} -4 -D 192.168.1.1" 77 local -r ipv6_args="${core_args} -6 -D 2001:db8::1" 78 79 echo "ipv6" 80 run_tcp "${ipv6_args}" 81 run_udp "${ipv6_args}" 82} 83 84if [ ! -f ../bpf/xdp_dummy.o ]; then 85 echo "Missing xdp_dummy helper. Build bpf selftest first" 86 exit -1 87fi 88 89if [ ! -f bpf/nat6to4.o ]; then 90 echo "Missing nat6to4 helper. Build bpfnat6to4.o selftest first" 91 exit -1 92fi 93 94if [[ $# -eq 0 ]]; then 95 run_all 96elif [[ $1 == "__subprocess" ]]; then 97 shift 98 run_one $@ 99else 100 run_in_netns $@ 101fi 102