tests/data_plane/vpp_lite_topo/test_driver/nsh.sh


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source config.sh
source odl_utils.sh
source topologies/2_node_topo.sh

ODL_CONFIG_FILE1="vpp1.json"
ODL_CONFIG_FILE2="vpp2.json"

if [ "$1" == "clean" ] ; then
  2_node_topo_clean
  exit 0
fi

if [[ $(id -u) != 0 ]]; then
  echo "Error: run this as root."
  exit 1
fi

function send_nsh_packet_from_namespace
{
  ns=$1
  dst=$2
  spi=$3
  si=$4
  itr_mac=$5
  src_mac=$6

  ip netns exec $ns python scripts/send_nsh_packet.py $dst $itr_mac $spi $si $src_mac
}

function test_nsh
{
  dst=$1
  spi=$2
  si=$3

  2_node_topo_setup
  rc=1

  src_mac=`ip netns exec vppns1 ip a show dev veth_vpp1  | grep "link/ether" | awk '{print $2}'`
  itr_mac=`echo "sh hard host-vpp1" | nc 0 5002 | grep 'Ethernet address' | awk '{print $3}'`

  maybe_pause

  cat << EOF > scripts/lisp_nsh
create packet-generator interface pg0

packet-generator new {
  name nsh1
  limit 1
  node lisp-cp-lookup-nsh
  size 64-64
  no-recycle
  worker 0
  interface pg0
  pcap ${ONE_ROOT}/tests/data_plane/vpp_lite_topo/scripts/nsh.pcap
}

EOF

  echo "trace add af-packet-input 100" | nc 0 5002
  echo "trace add af-packet-input 100" | nc 0 5003
  echo "exec ${ONE_ROOT}/tests/data_plane/vpp_lite_topo/scripts/lisp_nsh" | nc 0 5002
  echo "packet-generator enable-stream nsh1" | nc 0 5002

  # add dummy node to ETR
  echo "test one nsh add-dummy-decap-node" | nc 0 5003

  # inject NSH packet to ITR
  echo "test one nsh pcap ${ONE_ROOT}/tests/data_plane/vpp_lite_topo/scripts/nsh.pcap" | nc 0 5002

  # check decap stats
  decap_stats="`echo "show errors" | nc 0 5003 | grep "lisp gpe dummy nsh decap" | awk '{print $1}'`"

  if [ "$decap_stats" == "1" ] ; then
    rc=0  # test pass
  fi

  maybe_pause
  2_node_topo_clean
  print_status $rc "NSH test failed!"
  exit $test_result
}