tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 #
   4 # Test vetoing of FDB entries that mlxsw can not offload. This exercises several
   5 # different veto vectors to test various rollback scenarios in the vxlan driver.
   6
   7 lib_dir=$(dirname $0)/../../../net/forwarding
   8
   9 ALL_TESTS="
  10         fdb_create_veto_test
  11         fdb_replace_veto_test
  12         fdb_append_veto_test
  13         fdb_changelink_veto_test
  14 "
  15 NUM_NETIFS=2
  16 source $lib_dir/lib.sh
  17
  18 setup_prepare()
  19 {
  20         swp1=${NETIFS[p1]}
  21         swp2=${NETIFS[p2]}
  22
  23         ip link add dev br0 type bridge mcast_snooping 0
  24
  25         ip link set dev $swp1 up
  26         ip link set dev $swp1 master br0
  27         ip link set dev $swp2 up
  28
  29         ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \
  30                 ttl 20 tos inherit local 198.51.100.1 dstport 4789
  31         ip link set dev vxlan0 master br0
  32 }
  33
  34 cleanup()
  35 {
  36         pre_cleanup
  37
  38         ip link set dev vxlan0 nomaster
  39         ip link del dev vxlan0
  40
  41         ip link set dev $swp2 down
  42         ip link set dev $swp1 nomaster
  43         ip link set dev $swp1 down
  44
  45         ip link del dev br0
  46 }
  47
  48 fdb_create_veto_test()
  49 {
  50         RET=0
  51
  52         bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
  53                dst 198.51.100.2 2>/dev/null
  54         check_fail $? "multicast MAC not rejected"
  55
  56         bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
  57                dst 198.51.100.2 2>&1 >/dev/null | grep -q mlxsw_spectrum
  58         check_err $? "multicast MAC rejected without extack"
  59
  60         log_test "vxlan FDB veto - create"
  61 }
  62
  63 fdb_replace_veto_test()
  64 {
  65         RET=0
  66
  67         bridge fdb add 00:01:02:03:04:05 dev vxlan0 self static \
  68                dst 198.51.100.2
  69         check_err $? "valid FDB rejected"
  70
  71         bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
  72                dst 198.51.100.2 port 1234 2>/dev/null
  73         check_fail $? "FDB with an explicit port not rejected"
  74
  75         bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
  76                dst 198.51.100.2 port 1234 2>&1 >/dev/null \
  77             | grep -q mlxsw_spectrum
  78         check_err $? "FDB with an explicit port rejected without extack"
  79
  80         log_test "vxlan FDB veto - replace"
  81 }
  82
  83 fdb_append_veto_test()
  84 {
  85         RET=0
  86
  87         bridge fdb add 00:00:00:00:00:00 dev vxlan0 self static \
  88                dst 198.51.100.2
  89         check_err $? "valid FDB rejected"
  90
  91         bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
  92                dst 198.51.100.3 port 1234 2>/dev/null
  93         check_fail $? "FDB with an explicit port not rejected"
  94
  95         bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
  96                dst 198.51.100.3 port 1234 2>&1 >/dev/null \
  97             | grep -q mlxsw_spectrum
  98         check_err $? "FDB with an explicit port rejected without extack"
  99
 100         log_test "vxlan FDB veto - append"
 101 }
 102
 103 fdb_changelink_veto_test()
 104 {
 105         RET=0
 106
 107         ip link set dev vxlan0 type vxlan \
 108            group 224.0.0.1 dev lo 2>/dev/null
 109         check_fail $? "FDB with a multicast IP not rejected"
 110
 111         ip link set dev vxlan0 type vxlan \
 112            group 224.0.0.1 dev lo 2>&1 >/dev/null \
 113             | grep -q mlxsw_spectrum
 114         check_err $? "FDB with a multicast IP rejected without extack"
 115
 116         log_test "vxlan FDB veto - changelink"
 117 }
 118
 119 trap cleanup EXIT
 120
 121 setup_prepare
 122 setup_wait
 123
 124 tests_run
 125
 126 exit $EXIT_STATUS