tools/testing/selftests/net/bind_bhash.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 NR_FILES=32768
   5 readonly NETNS="ns-$(mktemp -u XXXXXX)"
   6
   7 # default values
   8 port=443
   9 addr_v6="2001:0db8:0:f101::1"
  10 addr_v4="10.8.8.8"
  11 use_v6=true
  12 addr=""
  13
  14 usage() {
  15     echo "Usage: $0 [-6 | -4] [-p port] [-a address]"
  16     echo -e "\t6: use ipv6"
  17     echo -e "\t4: use ipv4"
  18     echo -e "\tport: Port number"
  19     echo -e "\taddress: ip address"
  20 }
  21
  22 while getopts "ha:p:64" opt; do
  23     case ${opt} in
  24         h)
  25             usage $0
  26             exit 0
  27             ;;
  28         a)  addr=$OPTARG;;
  29         p)
  30             port=$OPTARG;;
  31         6)
  32             use_v6=true;;
  33         4)
  34             use_v6=false;;
  35     esac
  36 done
  37
  38 setup() {
  39     ip netns add "${NETNS}"
  40     ip -netns "${NETNS}" link add veth0 type veth peer name veth1
  41     ip -netns "${NETNS}" link set lo up
  42     ip -netns "${NETNS}" link set veth0 up
  43     ip -netns "${NETNS}" link set veth1 up
  44
  45     if [[ "$use_v6" == true ]]; then
  46         ip -netns "${NETNS}" addr add $addr_v6 nodad dev veth0
  47     else
  48         ip -netns "${NETNS}" addr add $addr_v4 dev lo
  49     fi
  50 }
  51
  52 cleanup() {
  53     ip netns del "${NETNS}"
  54 }
  55
  56 if [[ "$addr" != "" ]]; then
  57     addr_v4=$addr;
  58     addr_v6=$addr;
  59 fi
  60 setup
  61 if [[ "$use_v6" == true ]] ; then
  62     ip netns exec "${NETNS}" sh -c \
  63         "ulimit -n ${NR_FILES};./bind_bhash ${port} ipv6 ${addr_v6}"
  64 else
  65     ip netns exec "${NETNS}" sh -c \
  66         "ulimit -n ${NR_FILES};./bind_bhash ${port} ipv4 ${addr_v4}"
  67 fi
  68 cleanup