git.ipfire.org Git - thirdparty/kernel/linux.git/blob

   1 #!/bin/bash
   2 # Create 2 namespaces with two veth peers, and
   3 # forward packets in-between using generic XDP
   4 #
   5 # NS1(veth11)     NS2(veth22)
   6 #     |               |
   7 #     |               |
   8 #   (veth1, ------ (veth2,
   9 #   id:111)         id:222)
  10 #     | xdp forwarding |
  11 #     ------------------
  12
  13 ret=0
  14
  15 setup()
  16 {
  17
  18         local xdpmode=$1
  19
  20         ip netns add ns1
  21         ip netns add ns2
  22
  23         ip link add veth1 index 111 type veth peer name veth11 netns ns1
  24         ip link add veth2 index 222 type veth peer name veth22 netns ns2
  25
  26         ip link set veth1 up
  27         ip link set veth2 up
  28         ip -n ns1 link set dev veth11 up
  29         ip -n ns2 link set dev veth22 up
  30
  31         ip -n ns1 addr add 10.1.1.11/24 dev veth11
  32         ip -n ns2 addr add 10.1.1.22/24 dev veth22
  33 }
  34
  35 cleanup()
  36 {
  37         ip link del veth1 2> /dev/null
  38         ip link del veth2 2> /dev/null
  39         ip netns del ns1 2> /dev/null
  40         ip netns del ns2 2> /dev/null
  41 }
  42
  43 test_xdp_redirect()
  44 {
  45         local xdpmode=$1
  46
  47         setup
  48
  49         ip link set dev veth1 $xdpmode off &> /dev/null
  50         if [ $? -ne 0 ];then
  51                 echo "selftests: test_xdp_redirect $xdpmode [SKIP]"
  52                 return 0
  53         fi
  54
  55         ip -n ns1 link set veth11 $xdpmode obj xdp_dummy.o sec xdp_dummy &> /dev/null
  56         ip -n ns2 link set veth22 $xdpmode obj xdp_dummy.o sec xdp_dummy &> /dev/null
  57         ip link set dev veth1 $xdpmode obj test_xdp_redirect.o sec redirect_to_222 &> /dev/null
  58         ip link set dev veth2 $xdpmode obj test_xdp_redirect.o sec redirect_to_111 &> /dev/null
  59
  60         if ip netns exec ns1 ping -c 1 10.1.1.22 &> /dev/null &&
  61            ip netns exec ns2 ping -c 1 10.1.1.11 &> /dev/null; then
  62                 echo "selftests: test_xdp_redirect $xdpmode [PASS]";
  63         else
  64                 ret=1
  65                 echo "selftests: test_xdp_redirect $xdpmode [FAILED]";
  66         fi
  67
  68         cleanup
  69 }
  70
  71 set -e
  72 trap cleanup 2 3 6 9
  73
  74 test_xdp_redirect xdpgeneric
  75 test_xdp_redirect xdpdrv
  76
  77 exit $ret