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      1 #!/bin/bash
      2 # SPDX-License-Identifier: GPL-2.0
      3 #
      4 # setup tunnels for flow dissection test
      5 
      6 readonly SUFFIX="test_$(mktemp -u XXXX)"
      7 CONFIG="remote 127.0.0.2 local 127.0.0.1 dev lo"
      8 
      9 setup() {
     10   ip link add "ipip_${SUFFIX}" type ipip ${CONFIG}
     11   ip link add "gre_${SUFFIX}" type gre ${CONFIG}
     12   ip link add "sit_${SUFFIX}" type sit ${CONFIG}
     13 
     14   echo "tunnels before test:"
     15   ip tunnel show
     16 
     17   ip link set "ipip_${SUFFIX}" up
     18   ip link set "gre_${SUFFIX}" up
     19   ip link set "sit_${SUFFIX}" up
     20 }
     21 
     22 
     23 cleanup() {
     24   ip tunnel del "ipip_${SUFFIX}"
     25   ip tunnel del "gre_${SUFFIX}"
     26   ip tunnel del "sit_${SUFFIX}"
     27 
     28   echo "tunnels after test:"
     29   ip tunnel show
     30 }
     31 
     32 trap cleanup EXIT
     33 
     34 setup
     35 "$@"
     36 exit "$?"
     37