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 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 ip netns exec "${PEER_NS}" ethtool -K veth1 rx-gro-list on 41 42 43 ip -n "${PEER_NS}" link set veth1 xdp object ${BPF_FILE} section xdp 44 tc -n "${PEER_NS}" qdisc add dev veth1 clsact 45 tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file nat6to4.o section schedcls/ingress6/nat_6 direct-action 46 tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file nat6to4.o section schedcls/egress4/snat4 direct-action 47 echo ${rx_args} 48 ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & 49 50 wait_local_port_listen "${PEER_NS}" 8000 udp 51 ./udpgso_bench_tx ${tx_args} 52} 53 54run_in_netns() { 55 local -r args=$@ 56 echo ${args} 57 ./in_netns.sh $0 __subprocess ${args} 58} 59 60run_udp() { 61 local -r args=$@ 62 63 echo "udp gso - over veth touching data" 64 run_in_netns ${args} -u -S 0 rx -4 -v 65 66 echo "udp gso and gro - over veth touching data" 67 run_in_netns ${args} -S 0 rx -4 -G 68} 69 70run_tcp() { 71 local -r args=$@ 72 73 echo "tcp - over veth touching data" 74 run_in_netns ${args} -t rx -4 -t 75} 76 77run_all() { 78 local -r core_args="-l 4" 79 local -r ipv4_args="${core_args} -4 -D 192.168.1.1" 80 local -r ipv6_args="${core_args} -6 -D 2001:db8::1" 81 82 echo "ipv6" 83 run_tcp "${ipv6_args}" 84 run_udp "${ipv6_args}" 85} 86 87if [ ! -f ${BPF_FILE} ]; then 88 echo "Missing ${BPF_FILE}. Run 'make' first" 89 exit -1 90fi 91 92if [ ! -f nat6to4.o ]; then 93 echo "Missing nat6to4 helper. Run 'make' first" 94 exit -1 95fi 96 97if [[ $# -eq 0 ]]; then 98 run_all 99elif [[ $1 == "__subprocess" ]]; then 100 shift 101 run_one $@ 102else 103 run_in_netns $@ 104fi 105