udpgro_frglist.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3#
  4# Run a series of udpgro benchmarks
  5
  6source lib.sh
  7
  8readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
  9
 10BPF_FILE="lib/xdp_dummy.bpf.o"
 11
 12cleanup() {
 13	local -r jobs="$(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 "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file nat6to4.bpf.o section schedcls/ingress6/nat_6  direct-action
 46	tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file nat6to4.bpf.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.bpf.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