tools/testing/selftests/net/udpgro_frglist.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 #
   4 # Run a series of udpgro benchmarks
   5
   6 source net_helper.sh
   7
   8 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
   9
  10 BPF_FILE="xdp_dummy.bpf.o"
  11
  12 cleanup() {
  13         local -r jobs="$(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 $ns 2>/dev/null
  18 }
  19 trap cleanup EXIT
  20
  21 run_one() {
  22         # use 'rx' as separator between sender args and receiver args
  23         local -r all="$@"
  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 ${tx_args}
  52 }
  53
  54 run_in_netns() {
  55         local -r args=$@
  56   echo ${args}
  57         ./in_netns.sh $0 __subprocess ${args}
  58 }
  59
  60 run_udp() {
  61         local -r args=$@
  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 ${args} -S 0 rx -4 -G
  68 }
  69
  70 run_tcp() {
  71         local -r args=$@
  72
  73         echo "tcp - over veth touching data"
  74         run_in_netns ${args} -t rx -4 -t
  75 }
  76
  77 run_all() {
  78         local -r core_args="-l 4"
  79         local -r ipv4_args="${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
  87 if [ ! -f ${BPF_FILE} ]; then
  88         echo "Missing ${BPF_FILE}. Run 'make' first"
  89         exit -1
  90 fi
  91
  92 if [ ! -f nat6to4.bpf.o ]; then
  93         echo "Missing nat6to4 helper. Run 'make' first"
  94         exit -1
  95 fi
  96
  97 if [[ $# -eq 0 ]]; then
  98         run_all
  99 elif [[ $1 == "__subprocess" ]]; then
 100         shift
 101         run_one $@
 102 else
 103         run_in_netns $@
 104 fi